MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a link farm with numerous URLs pointing to compromised WordPress sites, indicating a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly suggest malicious intent. Although no scripts were directly extracted, the structure and embedded URLs are indicative of a malicious document designed to lure users to external, potentially harmful, content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9849
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://www.enviedecrire.com/wp-content/plugins/formcraft/file-upload/server/content/files/16082161baab45---96906540005.pdf In PDF document text
- https://tirthmobile.com/wp-content/plugins/super-forms/uploads/php/files/pdoag0afn4s4bh1k5h8d7a47ue/zufezupevokufawe.pdfIn PDF document text
- http://beergolfers.com/blog/images/file/89560675401.pdfIn PDF document text
- https://tirthmobile.com/wp-content/plugins/super-forms/uploads/php/files/p03mdf8dpe6g0nbp64tq1r3dbi/nefolawaziburizimexib.pdfIn PDF document text
- https://fietenhaardenenkachels.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16085464fce612---91385421542.pdfIn PDF document text
- https://igruppe.no/ckfinder/userfiles//files/96913122852.pdfIn PDF document text
- https://inchirierielicopter.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1608167bda64ff---43064539993.pdfIn PDF document text
- http://hurtglass.pl/upload/file/32484054149.pdfIn PDF document text
- http://mooneyes.pl/userfiles/file/3020646185.pdfIn PDF document text
- https://martybermanassociates.com/wp-content/plugins/super-forms/uploads/php/files/c315d550c4ae7fcae3cbdfca5b193e01/54437008897.pdfIn PDF document text
- https://cruiseship.cruises/wp-content/plugins/super-forms/uploads/php/files/i0v0frs0qj26sml3td3266nr1c/67104414416.pdfIn PDF document text
- http://terapie-psi.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1606e0a0a9b3a1---pewixosam.pdfIn PDF document text
- https://oknoplus-omsk.ru/wp-content/plugins/super-forms/uploads/php/files/0474f43f7dcdaa99a12cc96e021f0528/58849795409.pdfIn PDF document text
- https://maidintown.co.uk/wp-content/plugins/super-forms/uploads/php/files/530f087681a4f0f4e6a2bc7a0a93e900/kagiwatonanomot.pdfIn PDF document text
- https://ecef-groupe.com/wp-content/plugins/super-forms/uploads/php/files/irml5qhsf3us3batse7o9ov4o4/girax.pdfIn PDF document text
- https://ercrs.org/wp-content/plugins/super-forms/uploads/php/files/r93i13juhurug5ni9tbhqfutul/2975022431.pdfIn PDF document text
- https://www.higher-energy-trampolineclub.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f89f20ef53---totux.pdfIn PDF document text
- https://nuregio.de/wp-content/plugins/formcraft/file-upload/server/content/files/160c1a678a6d43---pisaluf.pdfIn PDF document text
- http://uat.ideadunes.com/projects/ideadunes-portfolio-site/wp-content/plugins/formcraft/file-upload/server/content/files/16071d88a438d2---95296688610.pdfIn PDF document text
- https://tidaksusah.com/contents//files/4643791133.pdfIn PDF document text
- https://alfa-clining.ru/wp-content/plugins/super-forms/uploads/php/files/4d73ae36ea36a0b898159c45ab339ce8/wujivozozekadapof.pdfIn PDF document text
- http://3q1p.com/upload/file/210625023807718751095pu5pntrmz.pdfIn PDF document text
- https://alphaveneers.co.uk/wp-content/plugins/super-forms/uploads/php/files/48f8554a2b276de30de061eb4e26cf13/punobekixidulemirogaj.pdfIn PDF document text
- https://www.bluegreenshouseboats.in/wp-content/plugins/formcraft/file-upload/server/content/files/160b97a8c35f3b---97655937286.pdfIn PDF document text
- https://sellerflows.com/wp-content/plugins/super-forms/uploads/php/files/08f6e85c8db919c3049b8bbec0dde98a/nesenanigemaxoro.pdfIn PDF document text
- http://adanateknikservis.web.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1606d88d5c2c2d---fixaw.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1xuhb7AK25c/uplcv?utm_term=boiling+potatoes+for+mashed+potatoesPDF 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_off0000bb10.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBB10 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000d322.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD322 | 15368 bytes |
SHA-256: 83d7e8314c9ad95b22d3ce110db02d1e8cec73d8457247e35c3f3635bd6bd284 |
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font_02_sfnt_off0000fa32.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFA32 | 11000 bytes |
SHA-256: 5904e14f66c433bb6bbb9cd02eab50a4928f5ee76371d3cbd825d9fb7b61450d |
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