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 a phishing trojan. It contains numerous links to external websites, many of which appear to be hosted on compromised CMS platforms or disposable domains, suggesting a link farm designed to redirect users to malicious content. The document body is heavily obfuscated and unreadable, but the presence of embedded URLs and the overall structure strongly indicate a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9959
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://dakhoathienhoa.net/images/files/nosera.pdf In PDF document text
- https://technok.cz/wp-content/plugins/super-forms/uploads/php/files/d9f1915d33e55b0d5ce2a1491fdf11c7/59082164674.pdfIn PDF document text
- http://robertwestlaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/10514375971.pdfIn PDF document text
- http://eventclub.pl/userfiles/file/vakeso.pdfIn PDF document text
- https://0a3exp.com/upfiles/editor/files/kofusisovunugadaraj.pdfIn PDF document text
- http://heathrowairporttaxi.website/userfiles/file/zapozuzofuruma.pdfIn PDF document text
- http://dalaichau.com/files/zoduf.pdfIn PDF document text
- http://witnesstherealist.com/wp-content/plugins/super-forms/uploads/php/files/98a7ad800d37671905e5590bb9a2938b/wolegulegiputow.pdfIn PDF document text
- http://sts-logistika.ru/wp-content/plugins/super-forms/uploads/php/files/b7859bae7cc87390de1e38c96e17f9dd/80001316812.pdfIn PDF document text
- http://www.ashtralmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/161433e4ec69e0---gijedoworofisefejibusesa.pdfIn PDF document text
- https://langumeistras.lt/i/File/83754022085.pdfIn PDF document text
- https://vnjhanoi.com/upload/files/mozir.pdfIn PDF document text
- http://retailcop.ca/files/vedifiwu.pdfIn PDF document text
- http://xn----0tbbbfo0f.xn--p1ai/userfiles/file/ximen.pdfIn PDF document text
- https://cristiandellavedova.com/wp-content/plugins/super-forms/uploads/php/files/06b5bbe7de1b596b1a422195e978a683/71642881766.pdfIn PDF document text
- https://isosklo.cz/uploads/16361152358.pdfIn PDF document text
- https://ddnepal.com/assets/userfiles/files/fobigerasuvejokunawodi.pdfIn PDF document text
- https://vvpta-irvine.org/userfiles/file/44762910180.pdfIn PDF document text
- http://spiregene.com/image/files/20210910_205126.pdfIn PDF document text
- http://uekekb.ru/!upload/files/metolapumanafowuvujer.pdfIn PDF document text
- http://china-baby-clothes.com/d/files/12245051902.pdfIn PDF document text
- http://dintainoodle.com/uploads/files/pajokewininusugogos.pdfIn PDF document text
- http://maudchristan.nl/ckfinder/userfiles/files/58629056347.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/BvfzZFkJO3s/uplcv?utm_term=ludo+superstar+old+version+apk+downloadPDF 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_off0000ae5d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAE5D | 10688 bytes |
SHA-256: b8825624c0f6a9a1df6a798d0fd5f456c61b87714f966fbd92f0e655a1bf36a8 |
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font_01_sfnt_off0000c70c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC70C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000df1e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDF1E | 14652 bytes |
SHA-256: 01bbc75d31faa69648c1c4de0a6d8ab2626b6ed7b28264f554970ec5288e5884 |
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