MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file contains numerous links to external websites, many of which are hosted on compromised WordPress sites or disposable domains, suggesting a link farm designed to redirect users to malicious content. The ML classifier strongly indicates maliciousness, and the presence of embedded URLs points towards an attempt to deliver a secondary payload or phish for credentials. No scripts were extracted, but the overall structure and URL patterns are indicative of a malicious distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9952
Heuristics 5
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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://crewmak.ru/uplcv?utm_term=the+rite+of+exorcism+pdf PDF link annotation
- https://fertilizerproductionprocess.com/d/files/muzuvuzoxanof.pdfIn PDF document text
- http://thegioidahoacuong.com/uploads/image/files/94243610891.pdfIn PDF document text
- http://japan-railpass.info/images/blog//file/waxokegupujezutobuluxa.pdfIn PDF document text
- https://thejasmineway.net/wp-content/plugins/super-forms/uploads/php/files/fo3q1fa66ce5sur44i6u79ohgb/47367522842.pdfIn PDF document text
- https://na-nule.ru/wp-content/plugins/super-forms/uploads/php/files/jet476b0uf975knb8ud4225mk5/74213393367.pdfIn PDF document text
- http://trineckevzdelavani.cz/webpagebuilder/ckfinder/userfiles/files/difosuzatojubivavowixuxen.pdfIn PDF document text
- https://ailani.org/wp-content/plugins/super-forms/uploads/php/files/20ae6c46309c5080e3422796a4c59109/mamolarimebojuputepoloza.pdfIn PDF document text
- http://www.sunarozlem.com.tr/wp-content/plugins/super-forms/uploads/php/files/stl7kjco936vu31ur4hbbdn8h2/35676131183.pdfIn PDF document text
- http://www.canadavisaservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/16093ae9800789---mesasub.pdfIn PDF document text
- https://playgametoday.ru/wp-content/plugins/super-forms/uploads/php/files/c43b409a01e7484742bccdec5631d74d/vinifagipobaj.pdfIn PDF document text
- http://enjoybowlramenandpoke.com/uploads/files/79438948484.pdfIn PDF document text
- https://by-express.com/upfiles/editor/files/31647658200.pdfIn PDF document text
- http://bracyfamilyreunion.com/clients/c/c2/c2db1a97f769835965582c74015c7782/File/39194012065.pdfIn PDF document text
- http://kazenergy.kz/wp-content/plugins/formcraft/file-upload/server/content/files/1606f271071c5d---zafewikevikatixajotux.pdfIn PDF document text
- https://hmv.ir/wp-content/plugins/formcraft/file-upload/server/content/files/160ad34860de43---96878430034.pdfIn PDF document text
- https://www.davinci.dk/wp-content/plugins/formcraft/file-upload/server/content/files/16088cc5d021ca---roxanupetobamofufozawil.pdfIn PDF document text
- https://balance-global.com/wp-content/plugins/super-forms/uploads/php/files/7bcdb4dim9g6mktlu5lsk0ihp9/35200583304.pdfIn PDF document text
- http://xn--90ad5ackt1d.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/ca56220b5daaae84157f0354b8aa3576/jereriwepipexalojirip.pdfIn PDF document text
- https://drmiamiconnect.com/wp-content/plugins/super-forms/uploads/php/files/8ddc09a474e5d5aced0bc0d642bcde3a/14115587938.pdfIn PDF document text
- http://ophirtonhotel.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16082748b8298d---24514436711.pdfIn PDF document text
- http://wfuchiomega.com/clients/4/46/46a815049f9cfb11ab63b386d19cdfb8/File/gadiludajigusarelizin.pdfIn PDF document text
- http://getawaynewzealand.co.nz/wp-content/plugins/formcraft/file-upload/server/content/files/1606ca04538409---bonana.pdfIn PDF document text
- http://halvani.com/wp-content/plugins/formcraft/file-upload/server/content/files/16085deb828c67---49630820222.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_off0000f2f3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF2F3 | 10640 bytes |
SHA-256: 8d18aa0e568a2204284fe934dc4db9730c76984b67194363c574aec70fc259f0 |
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font_01_sfnt_off00010b5f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10B5F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012371.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12371 | 17164 bytes |
SHA-256: 84999befa8345a42c1b006716017c0e622c1ab6bce846f3f6c68e96eb89f026f |
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