MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF document was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs, many of which point to compromised CMS upload storage or disposable hosting, suggesting a link farm designed to redirect users to malicious content. No scripts were extracted, but the overall structure and URL distribution indicate a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9976
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://medvor.ru/uplcv?utm_term=complete+idiot%27s+guide+to+music+theory+cd PDF link annotation
- http://xn--80ackbssfuieecff0e8c.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/ri7562lcignrhin4138ue6la42/vunogifitumajige.pdfIn PDF document text
- http://ankaratemizlikcim.com/depo/sayfaresim/file/14869291440.pdfIn PDF document text
- http://www.infranetltd.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ca3a367ff7d---tutinogapituk.pdfIn PDF document text
- https://www.delaneyllc.com/ckfinder/userfiles/files/bunorunugogegutafuvuso.pdfIn PDF document text
- http://remontnoedelo.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160989a47ca684---38268710167.pdfIn PDF document text
- http://attlas.center/userfiles/file/88060853875.pdfIn PDF document text
- http://ahcxdq.com/uploads/file/04080050689.pdfIn PDF document text
- https://cls-toronto.com/wp-content/plugins/super-forms/uploads/php/files/e2e98aaa427697b87f387c8224f12f00/pilevadegafufot.pdfIn PDF document text
- http://hasici-pristroje-eshop.cz/files/file/20535695418.pdfIn PDF document text
- http://irmascaritasdejesus.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/1608391a92e122---2772937400.pdfIn PDF document text
- https://gccpay.net/wp-content/plugins/super-forms/uploads/php/files/c4ed8a570b53c397abe2b7751eeee5e7/wetukabiso.pdfIn PDF document text
- https://pasarantogel2.com/contents//files/mawobasebuwawonumababawab.pdfIn PDF document text
- http://iworking.vn/uploads/files/8675392175.pdfIn PDF document text
- https://www.audifonosdoshoydos.com/wp-content/plugins/formcraft/file-upload/server/content/files/160be2115f1347---90995959119.pdfIn PDF document text
- http://philippinesroadshow.com/wp-content/plugins/super-forms/uploads/php/files/ac5b55ad5824bae671649840b7dccce2/xewokolagavefopotisox.pdfIn PDF document text
- https://birudongker.com/contents//files/70723111127.pdfIn PDF document text
- http://arcenevents.nl/site/upload/files/2759827041.pdfIn PDF document text
- http://www.deadclan.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1609e3202550bc---jukukekivafotugafi.pdfIn PDF document text
- http://rauvuonsach.com/images/uploads/files/ratekoguwixerewe.pdfIn PDF document text
- http://hungthanhauto.com/luutru/files/77986071203.pdfIn PDF document text
- https://www.aceitedeoliva.com/wp-content/plugins/super-forms/uploads/php/files/762b268583cae252df7e8663675d4fe3/pelosulekajumuru.pdfIn PDF document text
- http://mirrorgallery.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aae85bec524---38973769400.pdfIn PDF document text
- http://pulsrmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b602cd344d9---kotifijitojepidolejikodog.pdfIn PDF document text
- 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_off0000f101.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF101 | 18268 bytes |
SHA-256: 703ed34311673fc0bfb15b5aab39670aeda2016cfb4de6e2e482d1abbb734da4 |
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font_01_sfnt_off00012004.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12004 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001381b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1381B | 10972 bytes |
SHA-256: b0a3996dab30a63ece834a73fc8e4c238fe85570c719cf1d3aa6b89ab8b7e888 |
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