MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file contains numerous embedded URLs, many of which point to compromised CMS upload directories or disposable hosting, indicating a link farm designed to distribute malicious content. ClamAV and ML classifiers flagged this PDF as malicious, specifically as a phishing trojan. While no scripts were directly extracted, the structure and URL patterns strongly suggest a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
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 http://rybarict.cz/webpagebuilder/ckfinder/userfiles/files/63931611122.pdf In PDF document text
- https://www.prshots.com/ckfinder/userfiles/files/32246511114.pdfIn PDF document text
- https://paardenwelzijnscheck.nl/app/webroot/files/ckeditor_files/files/20987574583.pdfIn PDF document text
- http://absolutelyneon.com/userfiles/file/kalegemivoribavin.pdfIn PDF document text
- http://designgaleria.hu/userfiles/file/85122942015.pdfIn PDF document text
- https://massagetheory.ca/wp-content/plugins/super-forms/uploads/php/files/427e0d63a8c7a563a78a3508591b863c/12005615717.pdfIn PDF document text
- https://agrotehholding.ru/wp-content/plugins/super-forms/uploads/php/files/0d6ff76fa49338e5a93a86191c8d43dd/tamuvijojefubada.pdfIn PDF document text
- https://expungemyrecordnj.com/wp-content/plugins/formcraft/file-upload/server/content/files/16131504020590---pawatesoleginapifarev.pdfIn PDF document text
- http://sinners-party.de/media/file/86097073736.pdfIn PDF document text
- https://worldpigment.com/image/upload/File/fofim.pdfIn PDF document text
- https://humanistbeauty.com/wp-content/plugins/super-forms/uploads/php/files/57ugq3s1p48g0kepk5cpl1h4ua/zewixevudagimoditetab.pdfIn PDF document text
- https://tucsonhomewindowtint.com/wp-content/plugins/super-forms/uploads/php/files/19e01caf977e108191e3bc66fddfa2f0/42524718012.pdfIn PDF document text
- http://savitapiti.org/ckfinder/userfiles/files/26926714864.pdfIn PDF document text
- http://sualpturizm.com/userfiles/file/zegutup.pdfIn PDF document text
- https://senfina.top/uploads/files/pivaj.pdfIn PDF document text
- http://mylodge-naoshima.com/64743917202.pdfIn PDF document text
- https://datxeninhbinh.com/data/dulieu/files/40997232703.pdfIn PDF document text
- https://sk-developers.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613340a12506e---82666075306.pdfIn PDF document text
- http://mcserpenti.com/userfiles/file/zonokimux.pdfIn PDF document text
- http://aktien-analyse.de/images/File/85703798194.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/YTWXjIUwRh0/uplcv?utm_term=pokemon+y+apkPDF 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_off0000c193.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC193 | 10116 bytes |
SHA-256: cc156171a4c2ecfc351f947314ee89d9eaf4e9884f795eb02355bed8dcf5f5fd |
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font_01_sfnt_off0000d82a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD82A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f03c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF03C | 17996 bytes |
SHA-256: 15235dcfdfb79c2b423cfaba15bce937706dcd3194323ec549acd6ae9df6dce1 |
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