MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file is identified as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics reveal it functions as a link farm, directing users to multiple external websites, some hosted on compromised CMS platforms. The presence of numerous URLs, including those with 'utm_term' parameters suggesting tracking, points towards a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9727
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://nomylo.ru/uplcv?utm_term=automation+in+manufacturing+notes+pdf
- https://wurstfargo.com/wp-content/plugins/super-forms/uploads/php/files/1d8f07f4ee2f37dee203b81258a6c9a6/12711945898.pdf
- https://medtek.vn/storage/file/suwifagoxolegilizi.pdf
- https://www.chortho.co.uk/wp-content/plugins/super-forms/uploads/php/files/edo1ka10p3bl7i65l63klfsmd0/27546638335.pdf
- http://leakefamilyreunion.com/clients/63964/File/pixitopa.pdf
- http://manufim.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/16076f1a5543a4---7539472903.pdf
- http://al-bandak.com/userfiles/file/getasisuve.pdf
- http://becro-plast.hr/wp-content/plugins/formcraft/file-upload/server/content/files/16086b82c47509---zegem.pdf
- https://nutricount.cz/UserFiles/File/62788146141.pdf
- https://asaptransfers.co.uk/wp-content/plugins/super-forms/uploads/php/files/aa3m0bg4vodh1hjvk810c48dn2/bubovosolujetiwupowuviwek.pdf
- http://xn----8sbnbd9chja.xn--p1ai/userfiles/file/13811667581.pdf
- https://avantkart.com/wp-content/plugins/super-forms/uploads/php/files/c9p7eae014d4utechclv40p55m/98919235295.pdf
- http://www.hcibatiment.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160ac9a194d698---58670686715.pdf
- http://xn--80akij1ajew.xn--p1ai/wp-content/plugins/formcraft/file-upload/server/content/files/160d26738b57f1---wibesewitoruvasaxukosizez.pdf
- http://totalfinance.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1609594aeb1643---rinugitup.pdf
- https://www.idromeccanicasrl.com/idromeccanicasrl.com/wp-content/plugins/super-forms/uploads/php/files/c292dc25eab9909a3e1dc4e132014708/84021686299.pdf
- http://serendipityorlando.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d688428516f---44784611080.pdf
- https://transcendenceit.com/wp-content/plugins/super-forms/uploads/php/files/e6e71f5faf8836e734220a2c88550a24/vokexul.pdf
- http://optimus.org.au/wp-content/plugins/formcraft/file-upload/server/content/files/160c56c80df783---tikejonogumo.pdf
- https://aucordechasse.fr/vosImages/9396494745.pdf
- http://www.myhhsi.com/wp-content/plugins/super-forms/uploads/php/files/7069ebaa27e2241491ef3a37e6e76b96/lufikexonariforo.pdf
- http://9meclinic.com/ckfinder/userfiles/files/57334272296.pdf
- https://www.scanworld.se/wp-content/plugins/formcraft/file-upload/server/content/files/160b95af8ddba0---6233304626.pdf
- http://cioccolatogallucci.it/userfiles/file/muvibozovakimugosus.pdf
- https://advicezone.org.uk/wp-content/plugins/super-forms/uploads/php/files/c00e6saej3alml34gur9cuvuc3/5579110615.pdf
- https://altbuket.ru/files/20337662362.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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
stream_004_off0002288e.bin45b162c2e04192e44a62d86b8042c2352605c39f7aa0bf5c5b479a93ec9899e9 |
decompressed-pdf-stream | PDF FlateDecoded stream at offset 0x2288E | 17472 bytes |
font_00_sfnt_off00020f32.bin385d272e743b5d6753c347a15630b3c3e3bc93736e4d57149469c9b194e7e0ef |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x20F32 | 11000 bytes |
font_02_sfnt_off0002430a.binea27b80565eed64057458d1cc1cfa353690d4f53e998734d47e267bf225b5224 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x2430A | 20504 bytes |
font_03_sfnt_off000277bd.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x277BD | 16792 bytes |
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