MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous external links, many pointing to compromised CMS upload directories or disposable hosting, suggesting a link farm designed to redirect users to malicious content. The presence of PDF-specific heuristics like 'PDF_SEO_DISPOSABLE_LINK_FARM' and 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' reinforces this assessment. No scripts were extracted, but the overall structure points to a phishing or malware distribution lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF 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.
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall 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.
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe 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.
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Embedded URL info EMBEDDED_URLOne 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://smidgel.ru/uplcv?utm_term=african+cubism+picasso
- https://rajaunited.com/contents//files/jiwuvuxebipibes.pdf
- http://www.cuerpomenteyespiritu.es/wp-content/plugins/formcraft/file-upload/server/content/files/160814e08c0074---57390366731.pdf
- https://tirthmobile.com/wp-content/plugins/super-forms/uploads/php/files/ejpdk325ntcc5snetns5ist4uh/fesovozubix.pdf
- https://europartner2.pl/uploads/64427133578.pdf
- http://kuehllawpc.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/81334111724.pdf
- http://longhornrings.com/clients/0/08/08da48574b41509ac7bedcf2500dc652/File/19409048552.pdf
- http://www.sport-konyv.hu/userfiles/file/wojatevejogovagekupejex.pdf
- http://mobilesamara.com/img/files/file/17852223562.pdf
- http://xn--80aamdqpfpr.xn--p1ai/upload_picture/61930978861.pdf
- http://www.buildingmalawi.com/images/uploaded/documents/xefemawexewazizita.pdf
- http://la-roofers.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160da694dd01a9---35512288030.pdf
- https://www.taxiserviceh24.com/wp-content/plugins/formcraft/file-upload/server/content/files/16071e60502df7---xerakodotajasi.pdf
- http://www.k-24.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a4494526b77---lakakagifijij.pdf
- https://yssnewlessons.org/UserFilesTwo/file/638515287.pdf
- https://vizzzio.ru/wp-content/plugins/super-forms/uploads/php/files/53ae6dfad8d00babf46e5122b4e542d7/10731580259.pdf
- https://pankalconstructora.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607463c74af91---tiripetog.pdf
- http://bscartridge.com/pic/sojuvikogotogadi.pdf
- http://www.maoles.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607aae624b3a6---gikatuliselapoluludabavok.pdf
- http://svenstavik.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c1251708bbf---jetefuperapami.pdf
- https://classicandcamper.co.uk/wp-content/plugins/super-forms/uploads/php/files/teere87a3su6dn2grp317939no/85845647312.pdf
- https://www.skyline-recruiting.com/wp-content/plugins/super-forms/uploads/php/files/ba952e441d92df7ed275645b5be9c2e6/67108595856.pdf
- http://onlinetradeshow.ir/uploads/files/kuxatutinatoz.pdf
- https://coachtourbusrental.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c4dde0f06b8---givuvitedo.pdf
- https://wilsonbarrera.com/inicio/wp-content/plugins/formcraft/file-upload/server/content/files/160a04c5393756---jebajagujedelivawenele.pdf
- http://shmountaineering.co.uk/wp-content/plugins/super-forms/uploads/php/files/uii780k7iuesatjcfavqdgd791/25947363529.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f0aa.bin021001203cacdc2f5c590151d1a90fe84bab8a1ec9119f58478f001d521af1fe |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF0AA | 18040 bytes |
font_01_sfnt_off00011ec5.bin55047f404a78b2626b92a13b7033adc53bf66bc67d93d902b68df1d7c49a3c7b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11EC5 | 10584 bytes |
font_02_sfnt_off000136b3.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x136B3 | 16792 bytes |
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