MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ClamAV and an ML classifier. It contains numerous embedded URLs pointing to compromised websites and link farms, suggesting a phishing or malware distribution scheme. The PDF_SEO_DISPOSABLE_LINK_FARM heuristic indicates a tactic to disguise malicious links within seemingly legitimate content. No scripts were extracted, but the overall structure and URL analysis strongly suggest a malicious intent to redirect users to potentially harmful sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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://philabc.ru/uplcv?utm_term=rutina+de+ejercicios+abdominales+para+hombres+en+casa
- http://accomplishtheimpossible.com/userfiles_ati/file/43538469958.pdf
- http://xn--80aejmo0alc.xn--p1ai/ckfinder/userfiles/files/danenapimajowud.pdf
- http://dringraldi.com/clients/7/73/73ccc230e5ee2b020474e4a43bcd07af/File/mosavabexidosimugazolikis.pdf
- http://sazjah.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aa0886cec58---84875005134.pdf
- https://produktybhp.pl/pliki_user/File/nagemakewapobovovisu.pdf
- https://maugli24.ru/wp-content/plugins/super-forms/uploads/php/files/a7cb3e530e12536736646881baf99cc8/tiraxukojedixafi.pdf
- https://earthideasawnings.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a18a502736f---8381121730.pdf
- http://baaningdoi.com/file_media/file_image/file/gelinibipilezomu.pdf
- http://thaihotelsale.com/FileData/ckfinder/files/20210710_1B8C510A475BD7BF.pdf
- https://flyags.com/editorResources/file///27927292423.pdf
- http://top-conversion.ru/ckfinder/userfiles/files/donijiko.pdf
- http://kursadowicz.pl/Upload/file/11092750655.pdf
- http://matstravel.ru/userfiles/file/zetijadebasozuberu.pdf
- http://mouaumfb.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608c7681e98b5---42510397440.pdf
- http://themultifold.com/wp-content/plugins/super-forms/uploads/php/files/6l04su1s63qh1sc82i9qnv3p10/fotarezuluzisiwazelivus.pdf
- https://claphamjunction.com.au/wp-content/plugins/super-forms/uploads/php/files/aa27494f11b4408467cfd522ed5fbaca/gibanimijud.pdf
- http://zadonskiy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160ab88cd90b7e---35125392389.pdf
- http://recamonde.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a9fb1a27e78---tiwijilujewaweguguku.pdf
- http://teusz.pl/UserFiles/file/69892846428.pdf
- http://middlegeorgiacoinclub.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607f8ebe1539d---95921558838.pdf
- http://brodart01.com/wp-content/plugins/super-forms/uploads/php/files/v41fr1p7oki0shlgmbai9t4gbt/kepolenujigopelewozomiz.pdf
- http://chiengthai.com/file_media/file_image/file/pifibunosatexidofinipudij.pdf
- 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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000115ee.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x115EE | 16792 bytes |
font_01_sfnt_off00012e00.bin42904019bfa8bd1b84f26df80a9b9546a2fc46d907b72062c279096589d7de5e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12E00 | 21500 bytes |
font_02_sfnt_off0001641c.bine329fa7a484fc38d0e16cfb890dcc5d1b3949003f1583ba4a1f886b591bc59fe |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1641C | 11196 bytes |
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