PDF malware analysis — malicious · 7eed12d332f33628

MALICIOUS

PDF

92.2 KB Created: 2021-07-23 17:47:49 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-09-14

MD5: cad9854bb06975d7d8cb29e70de4d697 SHA-1: 9b6ce52e0099c0b521431076efade65f6b6202ac SHA-256: 7eed12d332f336287475d4cc14d1e1beec0b7ee0b120821f242902bb55daf33b

156 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

This PDF file was detected as malicious by ClamAV and an ML classifier. It contains a large number of embedded links, many pointing to compromised WordPress upload directories, suggesting a link farm designed to redirect users to malicious content. While no scripts were explicitly extracted, the nature of the embedded links and the PDF structure indicate a phishing or malware distribution attempt.

Machine Learning

Nyx PDF Classifier malicious score 0.9876

Heuristics 6

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

ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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.
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://www.golaw.net/wp-content/plugins/formcraft/file-upload/server/content/files/1609bdecc5dfcc---zogiwubotofapilaje.pdf In PDF document text
- http://appletechsolutions.com/userfiles/file/64801640804.pdfIn PDF document text
- https://forex-robo.org/wp-content/plugins/super-forms/uploads/php/files/3e2e18f0560a7d9b9e616feed3286d3f/86349380772.pdfIn PDF document text
- https://robertmatzuzi-massagetherapist.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160ae08c7e7000---55087356613.pdfIn PDF document text
- http://2sisaccount.com/userfiles/files/12459854713.pdfIn PDF document text
- https://vickers-electronics.co.uk/wp-content/plugins/super-forms/uploads/php/files/c98feaa6d225e638999efca1ca348ef8/59410943711.pdfIn PDF document text
- http://www.homefacelifters.com/wp-content/plugins/super-forms/uploads/php/files/6e6b041581bb86a7a61f6fc95d869bd1/11942138546.pdfIn PDF document text
- https://ventana-sur.com/wp-content/plugins/formcraft/file-upload/server/content/files/160beff62e39d8.pdfIn PDF document text
- http://www.moteco.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1609919de05383---guselome.pdfIn PDF document text
- http://compie.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1609acb724e253---rimolunufo.pdfIn PDF document text
- https://www.truegridpaver.com/wp-content/plugins/super-forms/uploads/php/files/5bcb23d49226b8465579bcfb6fd20202/nosibelejefinujutiwu.pdfIn PDF document text
- http://plenar.hr/wp-content/plugins/formcraft/file-upload/server/content/files/160eda3ab8d4d6---51329208579.pdfIn PDF document text
- https://suhrsmad.dk/wp-content/plugins/formcraft/file-upload/server/content/files/160c8b0fc0985e---rumolawujomujukupomi.pdfIn PDF document text
- https://postscriptproductions.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ab0e83a61e6---69968740622.pdfIn PDF document text
- https://www.ideaklinikankara.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607129b692f00---11135976947.pdfIn PDF document text
- http://kledingindex.nl/images/uploads/76470685653.pdfIn PDF document text
- https://wcdt.co.th/wp-content/plugins/super-forms/uploads/php/files/bgfd46dq2uuba6un6202e02s7c/28185029454.pdfIn PDF document text
- http://angelojrobles.com/admin_initial_test/userfiles/file/21789145644.pdfIn PDF document text
- https://www.shopveriamici.com/wp-content/plugins/super-forms/uploads/php/files/gbd4hqeh2jp6bgneju747oe27k/givonalekowes.pdfIn PDF document text
- http://retroldn.com/userfiles/file/febik.pdfIn PDF document text
- http://www.iso-clean.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160d4be498faaa---debete.pdfIn PDF document text
- http://mis.nrru.ac.th/gradjournal/ckfinder/userfiles/files/riwefipoluresalugutogugik.pdfIn PDF document text
- http://acetuitioncentre.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160861b1610821---15740695581.pdfIn PDF document text
- http://frankslawfirm.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/20747399970.pdfIn PDF document text
- https://markeishahall.com/wp-content/plugins/super-forms/uploads/php/files/fae4440e7fcb8c8c0cc092641aeedb71/84918477281.pdfIn PDF document text
- http://www.loockuniformes.com.br/home/wp-content/plugins/formcraft/file-upload/server/content/files/16080094bbb57f---7814873552.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/FevRqgeaUVY/uplcv?utm_term=yellowstone+season+3+episode+9+spoilersPDF link annotation
- 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_off0001026f.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x1026F	17044 bytes
SHA-256: `d86e070611e3f3a44294fcb47663687dab81586f317816773c1bf921933011d1`
`font_01_sfnt_off00012e97.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x12E97	10792 bytes
SHA-256: `6c4e19c28191eafc33e7148327a478e2aa192d993313e4249403d47e430b0f38`
`font_02_sfnt_off000147a4.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x147A4	16792 bytes
SHA-256: `9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1`

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