MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a link farm with numerous URLs pointing to various domains, many of which appear to be compromised or disposable hosting. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' and 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' strongly indicate this is a malicious link distribution mechanism. The ML classifier and ClamAV detection further support the malicious nature of the file.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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 http://theponghop.com/upload/files/wiliwurekixidififap.pdf In PDF document text
- https://www.uniqueartzz.com/wp-content/plugins/super-forms/uploads/php/files/goe65176eior69pqo907mou2si/zesesewitigixumof.pdfIn PDF document text
- https://www.prieur-equipement.com/ckfinder/userfiles/files/ridatajubewi.pdfIn PDF document text
- https://simondaulte.com/ckfinder/userfiles/files/judejudulevegiwomaxe.pdfIn PDF document text
- http://larben.cz/media/images/upload/file/nejefanojunijiwimu.pdfIn PDF document text
- http://www.hollyskauaicondo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612edfb770904---mujezasem.pdfIn PDF document text
- http://lifebeachvilla.com/uploads/image/files/92836952145.pdfIn PDF document text
- http://ecolservizinettuno.com/userfiles/files/lowubesoxumaj.pdfIn PDF document text
- https://dobre-akce.cz/media/files/file/45990720223.pdfIn PDF document text
- https://iohrp.org/f_files/files/36433643313.pdfIn PDF document text
- http://internet-trade.cz/UserFiles/file/pewowitezopujomezukape.pdfIn PDF document text
- http://leeharringtonhomes.com/userfiles/file/28711446364.pdfIn PDF document text
- https://priscar.com/documents/files/vuwipegiranaruweju.pdfIn PDF document text
- http://midospa.com/upload/files/64359380305.pdfIn PDF document text
- https://www.pharmaright.ca/wp-content/plugins/super-forms/uploads/php/files/0islvap7piuii3ie0jsbhv966d/mizatewibapowuzaloka.pdfIn PDF document text
- http://espaciocultivarte.com/ckfinder/userfiles/files/vadosidurowugumafer.pdfIn PDF document text
- http://muzycznescyzoryki.pl/userfiles/file/31027993399.pdfIn PDF document text
- http://uptindia.com/newsimages/file///13265205414.pdfIn PDF document text
- http://diamantina-joaillerie.com/ckfinder/userfiles/files/50363958550.pdfIn PDF document text
- https://khabul.mn/mmpa/userfiles/files/tizidexiruzujomulow.pdfIn PDF document text
- http://ydchem.cn/filespath/files/20210910011605.pdfIn PDF document text
- http://irodaszer.lukinserv.hu/file/fesagekamiginevuxaje.pdfIn PDF document text
- https://g55net.com/webpagebuilder/ckfinder/userfiles/files/88319650857.pdfIn PDF document text
- https://dadesigning.com/daduserfiles/files/44079817063.pdfIn PDF document text
- http://hftyby.com/upload_fck/file/2021-9-6/20210906230924120397.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/PmAiG5ZyT-k/uplcv?utm_term=finding+dory+torrentPDF 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_off0000b2de.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB2DE | 10140 bytes |
SHA-256: c1ff1e310be73f9d3765cc4b5d8b1e45ac73622e8e0cbe3256c505fe1e0847ba |
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font_01_sfnt_off0000c95f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC95F | 15200 bytes |
SHA-256: e08de065a5cc08feac8390003be519c1163bfd4c0af44206232b6ef1f08d5920 |
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font_02_sfnt_off0000ee6a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE6A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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