MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The sample was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous links pointing to compromised CMS upload storage and disposable hosting, suggesting a phishing or malware distribution scheme. The PDF structure and embedded links are indicative of an attempt to redirect the user to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9929
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 http://folientastaturen.pl/_data/file/lezagejoduwefixixazutosiv.pdf In PDF document text
- https://thejasmineway.net/wp-content/plugins/super-forms/uploads/php/files/o0r76osj6hk7tldaancvr8esiv/bapesi.pdfIn PDF document text
- https://www.sblending.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160a8e4db4cdd8---8720323169.pdfIn PDF document text
- http://gesundezellen.de/neu/userfiles/file/jejojekobaketiko.pdfIn PDF document text
- http://dailyliving.nl/ckfinder/userfiles/files/pexedifuduk.pdfIn PDF document text
- https://daluxerealty.com/wp-content/plugins/super-forms/uploads/php/files/p4rdr3i4ct3vbv0gd059hkiu32/56210794212.pdfIn PDF document text
- http://baliretreatcenter.com/olabali_ci/media/images/newsfiles/sajuvotupitazaf.pdfIn PDF document text
- http://saovietgroup.com/upload/FCK/file/tuxebe.pdfIn PDF document text
- http://interstyle.org/content/xuploadimages/file/4262187029.pdfIn PDF document text
- https://westcoastmovers.ca/wp-content/plugins/super-forms/uploads/php/files/vrqv8jgb37i23jd10flo0hqv7v/jevisavusejujapoj.pdfIn PDF document text
- http://akinmedikal.com/uploads/file/gimawisugevedogopatod.pdfIn PDF document text
- https://completecollegestrategies.com/wp-content/plugins/super-forms/uploads/php/files/f1c029cccb95d42fdd32d60aafb0d969/pefefegaminajapefimi.pdfIn PDF document text
- http://amwordpress.org/wp-content/plugins/formcraft/file-upload/server/content/files/160a404c6b7303---nugejuwisujadin.pdfIn PDF document text
- https://sca-kc.org/scauserfiles/files/66065752645.pdfIn PDF document text
- http://symbioticlifetech.org/attfile/fckimg/file///20210514125640_798054681.pdfIn PDF document text
- https://arte-salon.ru/upload_picture/30889711451.pdfIn PDF document text
- https://delaneyllc.com/ckfinder/userfiles/files/bogekunesefuf.pdfIn PDF document text
- https://angkortaxiservice.com/userfiles/file/29555782304.pdfIn PDF document text
- http://tragiaocolamsapa.com/userfiles/image/file/jimorudakadokelakok.pdfIn PDF document text
- http://www.liveartsaskatchewan.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ac25c8a9f76---9571639179.pdfIn PDF document text
- https://fanaf.comarticle_ressources/file/wufuk.pdfIn PDF document text
- http://mfplus.ba/wp-content/plugins/formcraft/file-upload/server/content/files/16075445656b4c---likebevubotumapusa.pdfIn PDF document text
- https://slavica.ru/wp-content/plugins/super-forms/uploads/php/files/4d86e30a99f79996b4dc484b780721c7/manixakolip.pdfIn PDF document text
- https://noukos.gr/wp-content/plugins/formcraft/file-upload/server/content/files/1607709be5aa25---jatazu.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c1852052e9e---kalaxefa.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3CAf4wW3hvY/uplcv?utm_term=the+bank+reconciliationPDF 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_off00010749.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10749 | 16992 bytes |
SHA-256: a33ec5a49faf3e64316b0c486c280b414aa06477339c608469f2688e0559a8a7 |
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font_01_sfnt_off0001339d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1339D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00014bb4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14BB4 | 10352 bytes |
SHA-256: 67253d9c6c08f6fc326d799056b2c866f0e4dfe91802e1ce7aa81491f758a415 |
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