MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a link farm, with many embedded URLs pointing to external websites. Several heuristics indicate this is a link farm on disposable hosting, and one points to a compromised WordPress upload. The ClamAV detection as Pdf.Phishing.Trojan suggests a malicious intent, likely phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier suspicious score 0.3528
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://feltshoe.com/userfiles/file/nimoluj.pdf In PDF document text
- https://rsebolivia.org/userfiles/file/durokaxaruve.pdfIn PDF document text
- http://iberryhomemade.com/userfiles/files/xovoxodusumanu.pdfIn PDF document text
- http://studiomanzella.com/userfiles/files/65411491665.pdfIn PDF document text
- http://omatsuri.kr/data/userfiles/files/18727644400.pdfIn PDF document text
- https://labelmarket.eu/data/file/papobesopogeve.pdfIn PDF document text
- https://amkboiler.com/wp-content/plugins/super-forms/uploads/php/files/uj2d4f75nrlmssqrac2on39rvt/guzizemabegek.pdfIn PDF document text
- http://galaxyjewel.cn/uploadfile/files/sozonosududokumesede.pdfIn PDF document text
- https://tidaksusah.com/contents/files/27168383223.pdfIn PDF document text
- https://greenbins.ca/ckfinder/userfiles/files/xozisokudiwidi.pdfIn PDF document text
- http://epmachine.ru/d/files/94439026693.pdfIn PDF document text
- https://yumasri.com/assets/ckfinder/userfiles/files/94175218704.pdfIn PDF document text
- http://fuyu.010bi.com/ckfinder/userfiles/files/jofip.pdfIn PDF document text
- http://hvpeds.com/upload/contents/file/89130434751.pdfIn PDF document text
- https://zazilha.com.mx/wp-content/plugins/super-forms/uploads/php/files/86d1ee080d83d5d550e452bcaa97b133/34075662841.pdfIn PDF document text
- https://thietbivesinhanhhuy.com/asset/files/zafaxir.pdfIn PDF document text
- https://szabolcsipeter.com/userfiles/file/vupawezeraxobuwotep.pdfIn PDF document text
- https://markzone.az/wp-content/plugins/super-forms/uploads/php/files/1td52us8l129f0785qjt4m3qc3/16507000673.pdfIn PDF document text
- https://dukra.sk/editor_uploads/files/9116818786.pdfIn PDF document text
- http://mamaskitchenorder.com/uploads/files/38919433090.pdfIn PDF document text
- https://cosanuesa.com/componentes/editor/ckfinder/userfiles/files/jigolivig.pdfIn PDF document text
- http://lemma-studio.pl/userfiles/file/19489055392.pdfIn PDF document text
- https://anna-bel.com/app/webroot/files/userfiles/files/53048202221.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/zMnd8XtcwSM/uplcv?utm_term=cnet+best+android+phonesPDF link annotation
- 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_off0000e3f7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE3F7 | 17620 bytes |
SHA-256: 0f4038cb1b4b07e2558dedeac6ffe89e3500a8a0a4d885cd51dccdbd05f777af |
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font_01_sfnt_off0001120b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1120B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012a22.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12A22 | 10612 bytes |
SHA-256: b38319ac2fbaec12f6e9b7fcdb7bb1ab8868430ecf526d38399808422ca24338 |
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