MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate it functions as a link farm, directing users to multiple potentially compromised websites hosted on disposable domains. The embedded URLs suggest an attempt to distribute malware or conduct phishing operations.
Machine Learning
- Nyx PDF Classifier malicious score 0.9990
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://vakukh.ru/wp-content/plugins/super-forms/uploads/php/files/c2264cfa0b33a34fb7a2cdc3729978af/pifokinitefa.pdf In PDF document text
- http://donateagift.eu/userfiles/file/57318930971.pdfIn PDF document text
- https://www.charityweiss.de/wp-content/plugins/formcraft/file-upload/server/content/files/160777f1a28a3c---misuzor.pdfIn PDF document text
- http://associacaoguainumbi.org.br/wp/wp-content/plugins/formcraft/file-upload/server/content/files/160774d0ed5e3b---85905817561.pdfIn PDF document text
- https://cananalimdar.com/wp-content/plugins/super-forms/uploads/php/files/m9ddtbi0euihqgdmhqd3slp7a6/54618784587.pdfIn PDF document text
- http://albatrossmrn.com/konadnew/userfiles/file/latetadapazuzetuwon.pdfIn PDF document text
- https://nowackleverkusen.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609cbe47d3c6e---21307101019.pdfIn PDF document text
- http://www.gcsystem.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1609336bc72544---vofebadurus.pdfIn PDF document text
- http://www.alwaysflorida.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ae3c1c0cf04---95959387199.pdfIn PDF document text
- http://cricalliance.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609451ea3f033---kebelabumuxokadoxu.pdfIn PDF document text
- http://famcareconnect.org/wp-content/plugins/formcraft/file-upload/server/content/files/160e7d19f9c27f---pozedexotixevotozaru.pdfIn PDF document text
- http://nedirajtebosnu.net/userfiles/file/78654302265.pdfIn PDF document text
- https://itandem.net/ckfinder/userfiles/files/17582838386.pdfIn PDF document text
- https://www.olympusnorge.no/wp-content/plugins/super-forms/uploads/php/files/01h24klblmjsgectjho262ejn3/riwit.pdfIn PDF document text
- http://www.mondzorgvesa-voorschoten.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1608fbdaba2a11---janonug.pdfIn PDF document text
- http://stpetersame.com/clients/9/91/91902b33218228c9a3691be2563b71f1/File/81552062883.pdfIn PDF document text
- http://nhs1966reunion.com/clients/1/1c/1ca8f1639ee69cd7806809ed3bcda9bb/File/mimebij.pdfIn PDF document text
- https://ecoretras.com/file/71949228296.pdfIn PDF document text
- https://genesislighting.net/wp-content/plugins/super-forms/uploads/php/files/6dd13fc226f50a823ccad94f3081493b/80460036245.pdfIn PDF document text
- https://omomediacion.com/wp-content/plugins/super-forms/uploads/php/files/6c7b439f3369a3d44fc53dc50cd5222e/73821972274.pdfIn PDF document text
- http://lookupagency.es/wp-content/plugins/formcraft/file-upload/server/content/files/1609840a43c594---bifodisavavuvukifotovijar.pdfIn PDF document text
- http://dobre-jaja.com/Upload/file/74398199931.pdfIn PDF document text
- http://ahoba85.com/clients/2/26/26d353b61ac95a99d7df5001a3d58300/File/42197957606.pdfIn PDF document text
- https://husvagnsexpo.se/wp-content/plugins/formcraft/file-upload/server/content/files/1609c92a6eebd3---vogujabojozuwilabelubotis.pdfIn PDF document text
- http://imhkayseri.com/resimler/files/vekidozabuvu.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/S30rS-6n6vg/uplcv?utm_term=100+prize+bond+list+aug+2019PDF 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_off0000f67f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF67F | 16132 bytes |
SHA-256: 217f89a3f430d94038e6de4bcab6cfaa9bf4c281eec0c6174fe062eb9cfb1612 |
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font_01_sfnt_off0001208c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1208C | 11232 bytes |
SHA-256: 07badd6a32bcad8b26cb44024a5456e56e7f0cdd04060925186866529bea2def |
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font_02_sfnt_off00013aa1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13AA1 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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