MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file was detected as malicious by ML classifiers and ClamAV, indicating a phishing or trojan threat. It contains numerous links, many hosted on compromised or disposable domains, suggesting a link farm designed to redirect users to malicious content. The document body, though partially corrupted, suggests a lure related to 'Texas food manager exam questions and answers'. No scripts were extracted, but the presence of multiple external URIs and the overall structure point towards a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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://doanhnghiepvietnam.org/img_duhoc/files/fuzujozaje.pdf In PDF document text
- http://www.sg-callenberg.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608844d3ed984---taniluwidirikisi.pdfIn PDF document text
- https://talaa-obour.com/webmisr/uploadwebmisr/file/79562810695.pdfIn PDF document text
- https://ekransamara.ru/files/72755404833.pdfIn PDF document text
- http://vmkmsz.hu/userfiles/file/12566680944.pdfIn PDF document text
- http://go-trec.com/wp-content/plugins/super-forms/uploads/php/files/84e5k0ib7394d983vg7didrbtp/73019114065.pdfIn PDF document text
- https://silverwayshipping.com/userfiles/file/vutuderuxumosiligif.pdfIn PDF document text
- http://alimentosldm.com/userfiles/file/lopunirotarewez.pdfIn PDF document text
- http://techbis.pl/files/file/93842253430.pdfIn PDF document text
- http://braintradingbcn.com/wp-content/plugins/super-forms/uploads/php/files/860fd5f93b23a1eea42759577aed2920/60834099594.pdfIn PDF document text
- http://salonlomi.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160ba51fd1802e---92703915009.pdfIn PDF document text
- https://eminencesolutions.in/resources/userfiles/file/9543496479.pdfIn PDF document text
- http://erkerlaender.de/wp-content/plugins/formcraft/file-upload/server/content/files/160712a32eec32---39447323868.pdfIn PDF document text
- https://amagi.la/wp-content/plugins/formcraft/file-upload/server/content/files/160861729ea844---351494168.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://fedorahosted.org/lohitIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/BvfzZFkJO3s/uplcv?utm_term=texas+food+manager+exam+questions+and+answersPDF 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://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000104e3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x104E3 | 5432 bytes |
SHA-256: ce5f912a83abf7ed19bb1b8fa3681169d7150c11874e653fa3e554caba040ebf |
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font_01_sfnt_off00011754.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11754 | 11128 bytes |
SHA-256: e5f8d06397f511d4d0cb877e73d7d6be95ba91ce4949c07736d6d99d9f43e9dc |
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font_02_sfnt_off00013d7f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13D7F | 3336 bytes |
SHA-256: 523ca80c3eaad28879fcffd6f77e87ef7cf1d71d404818eba16f39f2f6ad2a58 |
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