MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was identified as malicious by ML classifiers and ClamAV, specifically as a phishing trojan. It contains numerous embedded URLs that form a link farm, pointing to compromised CMS upload storage and disposable hosting. These links are likely intended to redirect users to malicious sites for phishing or further malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9932
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://www.empresasdelimpeza.info/wp-content/plugins/formcraft/file-upload/server/content/files/1609c3967d1a87---wufejagubexunijobelixuzit.pdf
- http://www.peplex.it/wp-content/plugins/formcraft/file-upload/server/content/files/1608b0b1a5cbc7---laxevebal.pdf
- http://yatros.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1606cd2c4f1788---72391201256.pdf
- https://pasarantogeldua.com/contents//files/nokebirogoxatigis.pdf
- https://member-amz-seller-system.de/wp-content/plugins/super-forms/uploads/php/files/c5696bfdf7ab229ef5e232c4d7f8f0eb/pavafipebepit.pdf
- http://billedbutikken.dk/articlefiles/file/76904789697.pdf
- http://work4shop.cz/userfiles/file/8529762419.pdf
- https://bravo-hk.com/userfiles/file/noninepizokejezekowepenuf.pdf
- http://www.sunargrup.com.tr/wp-content/plugins/super-forms/uploads/php/files/3r0s9h7un6q3aoo19batnthnl6/59870467959.pdf
- http://www.inhd.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a2da435da7f---wenop.pdf
- http://hoondb.com/wp-content/plugins/formcraft/file-upload/server/content/files/160848c6dc1728---95558170328.pdf
- https://gyn-koe70.de/obrazky/file/wokiramitelizefa.pdf
- https://okvino.it/file/gutowebixepuzumil.pdf
- http://africanhairbraidingsalon.com/userfiles/file/bonodapax.pdf
- https://camile.vn/wp-content/plugins/super-forms/uploads/php/files/scgd2g070rtb1ts2fpm802fnu1/ditadam.pdf
- https://arab-hams.com/Ups/files/xukob.pdf
- http://stkvn.ru/wp-content/plugins/super-forms/uploads/php/files/b340653c799a4de44a977bb948c624dc/lonud.pdf
- https://limpjet.com.br/wp-content/plugins/super-forms/uploads/php/files/c39fbef870a8f579bc1591296a03cf71/badapaxoruweketuperate.pdf
- https://asiaviews.org/wp-content/plugins/super-forms/uploads/php/files/npaefj5c4ook5em64m8ig2vk83/gaferakixibedul.pdf
- https://feriaesotericadeatocha.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ac805b29c8d---soxit.pdf
- http://carroll1975.com/clients/4/4e/4e2b018d07aaa5a30c3e4fca1c7a8df7/File/87239355006.pdf
- http://clasesholandes.com/userfiles/file/tutavoriwojikitetidat.pdf
- http://halaljones.com/uploads/files/nadalesevitux.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/Om9ozkHLxGw/uplcv?utm_term=famous+trails+md7030+manual
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f3db.bin76f01d6349d46d570d36080abb3b3e90ccb475855fd7a16763f302acd1ef483e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF3DB | 2332 bytes |
font_01_sfnt_off0000fe06.bin722f8df63942b4e9dde0de9d801ab000068065e7cb1d2cb7f72bb9f296aaa9c8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFE06 | 10696 bytes |
font_02_sfnt_off00011694.bin3340fc68d4d1c22bc22d46c375d228d3de7d3125444f3859affb508d97a7d6fb |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11694 | 17692 bytes |
font_03_sfnt_off0001455f.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1455F | 16792 bytes |
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