PDF malware analysis — malicious · 132ddb2bd2edde2c

MALICIOUS

PDF

156.6 KB Created: 2021-06-26 06:19:01 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-09-14

MD5: c97ced23b9d2fd23c37db36170959064 SHA-1: de98b6dfba995cf474a89fea208386032bf348a1 SHA-256: 132ddb2bd2edde2cbdc4d51f5c7076cb86833d021688f3ff06e2f14bfa154c70

204 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF contains lures indicative of an advance-fee scam, including parcel delivery requirements and large-value draft wording. It also functions as a link farm, directing users to multiple external URLs hosted on compromised WordPress sites and disposable domains. The ML classifier and ClamAV detection strongly indicate malicious intent, likely to lead users to phishing or malware download sites.

Machine Learning

Nyx PDF Classifier malicious score 0.9761

Heuristics 8

ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
Advance-fee lottery/parcel scam lure high SE_ADVANCE_FEE_SCAM_LURE

Document contains lottery/beneficiary or prize language together with large-value draft/funds wording and parcel/courier delivery requirements. This is a classic advance-fee fraud document shape.
PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM

PDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM

Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
Urgency / deadline lure low SE_URGENCY_LURE

Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
External URI info PDF_URI

PDF contains an external URL action
Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL

The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
Embedded URL info EMBEDDED_URL

One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
URL https://irlanc.ru/uplcv?utm_term=series+of+unfortunate+events+2017 PDF link annotation
- https://zweiund40.com/wp-content/plugins/super-forms/uploads/php/files/7ktr7ra27d85bgv9oh206h8qnn/kedunoxesivoxuniv.pdfIn PDF document text
- http://dallassymphonyleague.com/clients/1/14/14bb4a025281f1a32078cb68571f7cf3/File/jaragetolefagopikotiju.pdfIn PDF document text
- https://adbadog.com/wp-content/plugins/super-forms/uploads/php/files/9fbd9920c011d9467d39b3efe29d16c9/rabivuzuwuk.pdfIn PDF document text
- https://functionalmovement.gr/wp-content/plugins/super-forms/uploads/php/files/e03044a93fad7ab0f5cf1d0856249110/67341508051.pdfIn PDF document text
- https://www.msolartop.cz/wp-content/plugins/formcraft/file-upload/server/content/files/16099ba755e0e5---vedunefowuvikan.pdfIn PDF document text
- http://jonkmp.nl/img/cms/file/92052863162.pdfIn PDF document text
- https://vashadvokat82.ru/wp-content/plugins/super-forms/uploads/php/files/72d411c6fb6ef8b1b10d9f26b5749fc3/zenujatibifarotuni.pdfIn PDF document text
- https://levin-dent.ru/wp-content/plugins/super-forms/uploads/php/files/12f2d23cee43c57e74ab8c4559124ec7/15607304740.pdfIn PDF document text
- http://asesoriagarpe.com/wp-content/plugins/formcraft/file-upload/server/content/files/160707daf1cb32---18034742246.pdfIn PDF document text
- http://www.theagentpipeline.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b089bb164e6---xarufufixaxevozasemuni.pdfIn PDF document text
- http://www.ambredore.com/wp-content/plugins/formcraft/file-upload/server/content/files/16098384a3cb05---geratogewugejikovewif.pdfIn PDF document text
- http://churchliferesources.org/wp-content/plugins/formcraft/file-upload/server/content/files/1608c20412022b---28540262996.pdfIn PDF document text
- https://patriot.ch/wp-content/plugins/super-forms/uploads/php/files/bckjf6qa6vq4gbl09305oeuqkj/84156172848.pdfIn PDF document text
- http://for-rent-aalst.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d3185ba28e0---meveletuzugoli.pdfIn PDF document text
- https://mattweidnerlaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ac6c997fa8d---24891507984.pdfIn PDF document text
- http://dangkyidol.com/wp-content/plugins/super-forms/uploads/php/files/smqp54p84l9hj868aehvm1qenf/2456038397.pdfIn PDF document text
- https://www.northwoodmedical.ca/wp-content/plugins/super-forms/uploads/php/files/de5ouk40ffl1e7mvb1bb8fnp7a/44927941127.pdfIn PDF document text
- https://viajespereira.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608ed9715d740---segixowo.pdfIn PDF document text
- https://drivingschoolofnorthtexas.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c0046d047e7---tikuser.pdfIn PDF document text
- https://lightspec.ca/wp-content/plugins/super-forms/uploads/php/files/5baa5c49aa07b77cbc720ae325d8c8ab/1193894971.pdfIn PDF document text
- http://ekotronic.eu/files/file/18854627043.pdfIn PDF document text
- https://swotin.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a738d283419---48477166503.pdfIn PDF document text
- http://bjsprt.com/uploadfile/file///2021052519422249.pdfIn PDF document text
- https://nowbali.co.id/wp-content/plugins/formcraft/file-upload/server/content/files/16074ac52ce7b9---sejazizixaroxidepogomuvap.pdfIn PDF document text
- http://woodsfamilypride.org/clients/2/2c/2c83419adcf4927d74d3defe18342386/File/totarawav.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off00020435.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x20435	17936 bytes
SHA-256: `789373606b7e3e8fd33d04306a39690c0dbee5b8524c02842f094edf9416f524`
`font_01_sfnt_off00023368.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x23368	10748 bytes
SHA-256: `f249b6ea25fb6d65d9042074d5828720a04e36d3ec969e68e094138a73a11970`
`font_02_sfnt_off00024c6e.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x24C6E	16792 bytes
SHA-256: `9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1`

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