MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The sample was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous URLs, many pointing to compromised WordPress sites and acting as a link farm, suggesting a phishing or malware distribution campaign. The document body is heavily obfuscated and unreadable, providing no direct clues to its purpose beyond the embedded URLs.
Machine Learning
- Nyx PDF Classifier malicious score 0.9985
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://www.waterlooarmsnewforest.co.uk/wp-content/plugins/super-forms/uploads/php/files/ad9f392fc794bc7cb19b73be51563c31/26382994559.pdf In PDF document text
- http://bamt.be/wp-content/plugins/formcraft/file-upload/server/content/files/1609592aef393d---26663386968.pdfIn PDF document text
- http://counterreaction.net/wp-content/plugins/formcraft/file-upload/server/content/files/16094562b8db9b---rejubepukonugo.pdfIn PDF document text
- http://www.sunarpazarlama.com/wp-content/plugins/super-forms/uploads/php/files/534fvov3m22esc1simol1rcla0/13342041818.pdfIn PDF document text
- http://torgoborud.org/images/file/tijosutubi.pdfIn PDF document text
- http://goref.ru/files/file/8107873552.pdfIn PDF document text
- https://adbadog.com/wp-content/plugins/super-forms/uploads/php/files/a2ac371772e16f79fcee2c840acce6ed/vusapatox.pdfIn PDF document text
- http://sporteambiente.it/ckfinder/userfiles/files/bolaxeb.pdfIn PDF document text
- http://profisystem.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160705ef13269c---getoguwaxix.pdfIn PDF document text
- https://speeddating.lt/speeddating/ckfinder/userfiles/files/kopivulalirivexafiramep.pdfIn PDF document text
- https://patriot.ch/wp-content/plugins/super-forms/uploads/php/files/9ul3le728fc0m9noo6vq3off3p/zekafetopudowojadarem.pdfIn PDF document text
- https://moto-trend.cz/public/files/fck/file/3125403750.pdfIn PDF document text
- https://www.taxikladis.gr/wp-content/plugins/formcraft/file-upload/server/content/files/16087389f76809---73203942430.pdfIn PDF document text
- https://mamproducciones.es/wp-content/plugins/formcraft/file-upload/server/content/files/1607555ed515cd---xotamopitobidel.pdfIn PDF document text
- http://rauvuonsach.com/images/uploads/files/kuxedatisefaratoronakobu.pdfIn PDF document text
- http://myslizdrave.com/soubory/51624089399.pdfIn PDF document text
- http://www.telsercom.com/wp-content/plugins/formcraft/file-upload/server/content/files/160edc6311004f---99903116570.pdfIn PDF document text
- https://cortemadera.com/wysiwygfiles/file/rirusura.pdfIn PDF document text
- https://coil.hk/upload/files/bujofaditalarifemile.pdfIn PDF document text
- http://hyundaihungthinh.com/uploads/images/files/vaputurivanef.pdfIn PDF document text
- http://pngroup.pl/ckfinder/userfiles/files/kedubesadiripekitezezug.pdfIn PDF document text
- https://bowenpainter.com/wp-content/plugins/formcraft/file-upload/server/content/files/160896ca005d9b---87334378198.pdfIn PDF document text
- https://agrachoff.ru/wp-content/plugins/super-forms/uploads/php/files/d1f4868132ce922fe819cadbc1cdace4/xidixasezawadusofep.pdfIn PDF document text
- http://staractivecollection.com/resimler/site/files/53187190345.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/6naE_Nh8_CY/uplcv?utm_term=find+equation+using+two+points+calculatorPDF 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_off0000c284.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC284 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000da9b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDA9B | 10996 bytes |
SHA-256: 148a9da4479dedf2b9c82529b7a869e71ca53706703e2ae8f0b8664e323deac1 |
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font_02_sfnt_off0000f3cb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF3CB | 15288 bytes |
SHA-256: a8de2d4053e3afab6e3d4144299b44cabd43ced1a94e01e7143ecfee48154b67 |
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