MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF file detected as malicious by ML classifiers and ClamAV, exhibiting characteristics of a phishing lure. It contains numerous links to external PDFs hosted on compromised WordPress sites, suggesting an attempt to redirect users to malicious content. The SE_INVOICE_LURE heuristic further supports the phishing pretext.
Machine Learning
- Nyx PDF Classifier malicious score 0.9961
Heuristics 7
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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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Fake invoice / payment lure low SE_INVOICE_LUREDocument contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
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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://asiaviews.org/wp-content/plugins/super-forms/uploads/php/files/i087trha4li3fl5hkvnb1pdtm3/fozewipilununonivod.pdf
- http://haiphongcontest.com/images/files/97691590777.pdf
- http://www.sunarmisir.com.tr/wp-content/plugins/super-forms/uploads/php/files/mptg4im39mhv23ehvdn5vtp564/72753763356.pdf
- https://www.eziblank.com/wp-content/plugins/super-forms/uploads/php/files/be1g7id4rg0tj4skfjjq8ksci3/65591005969.pdf
- http://www.rolstoellift.com/wp-content/plugins/formcraft/file-upload/server/content/files/160726309d220d---fegowusilemefibe.pdf
- http://opakowania-loga.pl/zdjecia/fotki/file/lepetofefolowan.pdf
- https://bettenbaehren.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a0a928b11d3---91905021281.pdf
- https://www.lenoir-elec.com/wp-content/plugins/super-forms/uploads/php/files/5dobimjni7bet2vtb9875579o0/noziwedewobajebex.pdf
- https://autotrilogy.com/wp-content/plugins/super-forms/uploads/php/files/255517c2d186bbd94986f80984264d6c/lidibomul.pdf
- https://yucekalipmakina.com/tsrm1/img/userfiles/file/41377810373.pdf
- http://ganan10.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/160b47e9f1b187---kazojewo.pdf
- http://sicilyontable.it/userfiles/files/31752441224.pdf
- https://mandalaconfeccao.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1608185ca4a67c---387596271.pdf
- https://psychotherapie-dr-albrecht.de/wp-content/plugins/formcraft/file-upload/server/content/files/16072e66132115---78428951866.pdf
- https://janeunchained.com/wp-content/plugins/super-forms/uploads/php/files/li5nhdgvv85nmpoo13s944kmbc/tujetugaladurugijimaket.pdf
- https://readxyz.com/wp-content/plugins/super-forms/uploads/php/files/a023fc846efa4c563a0247222caf71f9/8048590144.pdf
- http://drvision.org/wp-content/plugins/formcraft/file-upload/server/content/files/160a9f2b8f18cf---jegigetogasuve.pdf
- https://chp-travel.ir/data/file/zatijafojufajasujira.pdf
- https://leicht-spb.ru/wp-content/plugins/super-forms/uploads/php/files/1f9bb4dc2489d18fc0f29bfc68888804/15593005590.pdf
- https://12tiga.com/contents//files/fefemapubezujigex.pdf
- https://joyfool.art/wp-content/plugins/super-forms/uploads/php/files/cd61b754c9a98c107f2095aff0633be9/rixesija.pdf
- http://extreamtuning.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160adc6e50f3bd---95318226958.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/GLLx1DTH0VQ/uplcv?utm_term=intimate+register+dialogue
- 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_off0000f28a.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF28A | 16792 bytes |
font_01_sfnt_off00010a9c.bin8823489b72c406b4b57a1e7a3615d89d8f16d5710581c07bdc4f144bcf232f70 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10A9C | 16744 bytes |
font_02_sfnt_off00013613.binb69a1cab42ee253beb47574b96b1aba58a2ac9268fa7678e57f4f49ade96ccd7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13613 | 10644 bytes |
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