PDF malware analysis — malicious · 8237246d9a0c6ddf

MALICIOUS

PDF

86.4 KB Created: 2021-07-05 00:00:55 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-09-14

MD5: cb7a39bd747e3c284527c83e9078103c SHA-1: b8eb0c0b85bd8d234c9ead162d9c35c2da790caf SHA-256: 8237246d9a0c6ddf115346e205aea2b088bb99962ee5747c32e9dbaea4f49a37

204 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

The file was detected as malicious by ClamAV and an ML classifier, exhibiting characteristics of an advance-fee scam. It contains an embedded JavaScript stream and numerous external URIs, many pointing to compromised CMS upload storage or disposable hosting, suggesting an attempt to redirect users to phishing or scam-related content. The primary attack pattern involves luring users through these links, likely to facilitate financial fraud.

Machine Learning

Nyx PDF Classifier malicious score 0.9835

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.
Embedded JS stream low PDF_JS

PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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://philabc.ru/uplcv?utm_term=what+properties+to+buy+in+monopoly PDF link annotation
- https://joefairless.com/wp-content/plugins/super-forms/uploads/php/files/9b979eee153813f3719a73f0e7b9a50a/xujumoramaboromozetosava.pdfIn PDF document text
- http://nebovsem.ru/app/webroot/files/files/gapokutegolorumuludaza.pdfIn PDF document text
- http://akbmodel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a9f51fb80f6---29668960190.pdfIn PDF document text
- http://all-vehicle.net/js/upload/files/kajokedadaraleli.pdfIn PDF document text
- https://deconkhoemanh.com/wp-content/plugins/super-forms/uploads/php/files/k3sfg3caaq7nstu23lhmu5t4mp/xizelunopejopigipek.pdfIn PDF document text
- http://www.urbanwaterways.info/files/vezazoteruvariwamo.pdfIn PDF document text
- https://www.opdrrustukalac.com/wp-content/plugins/formcraft/file-upload/server/content/files/16082af12ecfe5---numubozavegumisew.pdfIn PDF document text
- http://phannhan.vn/files/usersfiles/files/13135815533.pdfIn PDF document text
- https://propertiproperty.com/Uploads/userfiles/files/25336004382.pdfIn PDF document text
- https://perleyparish.org/wp-content/plugins/super-forms/uploads/php/files/d130822842d3971c42ff9330e7837024/40419523472.pdfIn PDF document text
- https://expungemyrecordnj.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606ce8a971e2a---renixizilokukijurujokifav.pdfIn PDF document text
- http://sibleyestateplanning.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/xudulejin.pdfIn PDF document text
- http://salonorganica.ru/upload/files/98193290248.pdfIn PDF document text
- http://claudiodauelsberg.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607fa3550b93c---mogumuweb.pdfIn PDF document text
- https://onhimalayas.com/ckfinder/userfiles/files/86374470802.pdfIn PDF document text
- https://gpuhub.net/wp-content/plugins/super-forms/uploads/php/files/8gv71kbai3k873rbeio5b8vu3h/64764521918.pdfIn PDF document text
- https://wamsconference.com/wp-content/plugins/super-forms/uploads/php/files/99c0383d11ce0d56ee7f62ace684c53b/gifibowadunumuvinuxibufek.pdfIn PDF document text
- http://analogsys.com/uploaded/file/523402514609b93cb445d2.pdfIn PDF document text
- https://hcs1000.org/wp-content/plugins/super-forms/uploads/php/files/4f1e4ad06b92bb8c515729c73a6df23a/zukopofilig.pdfIn PDF document text
- https://dongytueduc.com/wp-content/plugins/super-forms/uploads/php/files/apbc5lmgcj9jk2v47u6aujik59/wolivelagu.pdfIn PDF document text
- https://ntwbearing.com/UserFiles/File/37311861747.pdfIn PDF document text
- https://irish-setter-zucht.info/ckfinder/userfiles/files/35541339520.pdfIn PDF document text
- https://xn--80adj7cxa.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/64146b15ceffcd8f9d175c120d78c8b7/veramimibibi.pdfIn PDF document text
- http://sad-azov.ru/wp-content/plugins/super-forms/uploads/php/files/911e50c2e80bc2386bd19d58d4ed1a14/95640258298.pdfIn PDF document text
- http://freeski.hu/freeski/file/mamixirubavadagegekineza.pdfIn PDF document text
- https://discoverapartmentsforrent.com/wp-content/plugins/super-forms/uploads/php/files/78122ef38341fbd774a984985aed0364/zasowisakuxew.pdfIn PDF document text
- https://ag-concept.ru/wp-content/plugins/super-forms/uploads/php/files/0c27e71b2a65a3673eb05fc3cceb3bc3/lurotasusaximavunawinile.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_off0000efba.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xEFBA	10864 bytes
SHA-256: `dd847db5b2ff1d2b05c5fe565e5983bd0086f4fda3f650755b3dac6dea55f854`
`font_01_sfnt_off00010870.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x10870	16792 bytes
SHA-256: `9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1`
`font_02_sfnt_off00012082.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x12082	16924 bytes
SHA-256: `575480387115201b690468de8858abfb72345b5aa84a2c1467e35fcde919214d`

Open this report in the interactive analyzer, or submit your own file for analysis.