MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as Pdf.Phishing.Trojan. The numerous embedded URLs point to compromised WordPress sites and disposable domains, suggesting a phishing or malware distribution scheme. The file's structure indicates it functions as a link farm, likely intended to lure users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9913
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://pistant.ru/uplcv?utm_term=order+by+operator+in+sql
- http://mediaworld.pro/ckfinder/userfiles/files/39882006563.pdf
- http://eltonltd.ru/sites/default/files/uploads/nuguxaturapizazoki.pdf
- https://inchiriereelicoptere.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160885096a7344---pewisediwoxevawem.pdf
- http://yuanyoujie.vip/userfiles/file/21868304047.pdf
- http://atlantichomeportugal.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a1d2d88853---memavuviwubudi.pdf
- http://www.gaviprintpack.com/wp-content/plugins/formcraft/file-upload/server/content/files/160710f633ebd5---xifiti.pdf
- https://www.eoluk.com/wp-content/plugins/super-forms/uploads/php/files/usnaft72hg5dmh9ho5nfgo9elf/82017943827.pdf
- https://robinio.de/wp-content/plugins/super-forms/uploads/php/files/g9pusfv47364qndi33qrfoietn/62092314642.pdf
- http://math-talk.kr/wp-content/plugins/super-forms/uploads/php/files/h3edptpi46p3umlg3lp6svuha3/xaponogexanaduwebuzepas.pdf
- https://sitebyside.ru/wp-content/plugins/super-forms/uploads/php/files/73d5076b9c0a76413301933476c8c73c/josiwixipogumoxusigox.pdf
- http://seanbittinger.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/bupilosapiburafizofeme.pdf
- https://cafesca.mx/ckfinder/userfiles/files/99693351140.pdf
- http://togetherwewalkny.org/clients/2/24/2411cc079aa0f0d7fd57f81c6163ecfd/File/19481571050.pdf
- https://www.heainc.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a97d288aaf7---74337746828.pdf
- http://delshadian.com/public/userfiles/file/22995596690.pdf
- https://www.paparazzirestaurant.com.au/wp-content/plugins/super-forms/uploads/php/files/3c16501474394d7583ef31c3ceb50b64/guxetifijisiguw.pdf
- https://web-sila.ru/wp-content/plugins/super-forms/uploads/php/files/2979fd04d1fe51db771035990868a0b8/batewe.pdf
- http://peaktoppet.com/ck_imgs/files/32609272568.pdf
- https://dfa-finanz.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a3143b30be6---gufewisivifajarulov.pdf
- https://tolgyesvolgy.hu/userfiles/file/jovutadakoguz.pdf
- http://www.itbaloch.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ade6da39620---gaxuxaboratumebokiguruw.pdf
- https://pmms-online.com/assets/file/dabotow.pdf
- https://zegabilisim.com/calisma2/files/uploads/luzifavanifobopijit.pdf
- http://www.champcaregivers.com/wp-content/plugins/formcraft/file-upload/server/content/files/16081a4a51ce68---zezonugabo.pdf
- http://chronicles.ae/userfiles/files/divuw.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0001c1d8.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1C1D8 | 16792 bytes |
font_01_sfnt_off0001d9ea.bin5cb1458cf19f098c3adfd2397444e317604a1128bb8ac82ec0504f2dc8a96ff3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1D9EA | 17760 bytes |
font_02_sfnt_off0002089c.binc8e7fa9978e6087f2f0bc2f9cba189d0e10b45edca89e9fed8694dcdfdacb34b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x2089C | 10808 bytes |
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