MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains numerous links to external websites, many of which appear to be hosted on compromised WordPress sites or disposable domains, suggesting a link farm designed to redirect users. The presence of these links indicates an attempt to direct users to malicious content or phishing pages.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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://crysiq.ru/uplcv?utm_term=punk+meaning+in+tagalog PDF link annotation
- http://sluchatka-shop.cz/files/upload/files/luxuwebezolaxanijukez.pdfIn PDF document text
- https://holocaustresearch.pl/nowy/photo/file/3123021839.pdfIn PDF document text
- http://bbdecontra.com/userfiles/files/22815684638.pdfIn PDF document text
- http://pavcargo.ru/wp-content/plugins/super-forms/uploads/php/files/432dac1ada9f1dd3a4d1e9c731247152/60230031128.pdfIn PDF document text
- http://swhos.com/upload/files/saluxif.pdfIn PDF document text
- http://teakdeck.pl/files/file/97230081501.pdfIn PDF document text
- https://ikansambel.com/contents/files/lifafid.pdfIn PDF document text
- https://fzclicks.com/demo/files/editor/file/zegaratijagesadoxaso.pdfIn PDF document text
- https://hoovermaids.com/wp-content/plugins/super-forms/uploads/php/files/4a566a70d51117c9e111fd9925c8e521/satigimarolobawafo.pdfIn PDF document text
- https://rowsontw.com/shopadmin/upload/files/tunakariwagulizugalopus.pdfIn PDF document text
- http://byecook.com/ckupload/files/39319691042.pdfIn PDF document text
- http://tindangnhadat.vn/upload/files/31919129438.pdfIn PDF document text
- http://pravkniga.ru/files/userfiles/files/5142364078.pdfIn PDF document text
- https://totalyoumovement.com/wp-content/plugins/formcraft/file-upload/server/content/files/16150f48e18847---53892462660.pdfIn PDF document text
- http://fotosvatba.net/userfiles/file/tipowenavopenixexape.pdfIn PDF document text
- https://sledovani3.gpshlidac.cz/www/userfiles/files/18196850557.pdfIn PDF document text
- http://thietkevang.com/upload/files/jitixabowo.pdfIn PDF document text
- https://oxi-dental.ro/imagini_ws/fipot.pdfIn PDF document text
- http://sentai.cc/data/file/20211007_170402_208.pdfIn PDF document text
- http://4darchitecture.org/img/all/49495800802.pdfIn PDF document text
- http://xn----7sbjvweekof5d.xn--p1ai/files/files/6653755053.pdfIn PDF document text
- http://cnzhongkui.com/fckeditor/editor/filemanager/connectors/php/uploads/file/200206114387.pdfIn PDF document text
- https://bepcongnghiepphuchung.vn/userfiles/file/98670804009.pdfIn PDF document text
- http://zelene-centrum.cz/webpagebuilder/ckfinder/userfiles/files/34161742023.pdfIn PDF document text
- http://blekinge.boj.se/uploads/userfiles/files/4220563274.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_off0000b9dc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB9DC | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000d1f3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD1F3 | 10376 bytes |
SHA-256: bb3427440470a3fc8bfb9d3c60fef0d7e1e5d6648e19de28e363df6928dcb8f5 |
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font_02_sfnt_off0000e962.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE962 | 18348 bytes |
SHA-256: fc0dfd81e6f82b90a0e5ecec509c41cb7a8f61ea5e94d081f58a63afdcbedfc9 |
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