MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as a phishing trojan. It contains numerous links pointing to compromised WordPress upload storage and disposable hosting, suggesting a link farm designed to redirect users. The primary attack pattern involves directing users to potentially malicious external sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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://cuacuonnhaxuongbinhduong.com/upload/files/dubazatu.pdf
- https://mongolia-volkslift.com/uploads/files/belema.pdf
- https://microfocus-realize2020mea.com/wp-content/plugins/super-forms/uploads/php/files/ee64cbcc95e1a97503704fd3d5ef68c3/58309401037.pdf
- http://www.yourhealthyourchoice.org/wp-content/plugins/formcraft/file-upload/server/content/files/1609e8e3c3da02---42321647005.pdf
- https://alcc.vn/wp-content/plugins/super-forms/uploads/php/files/3ehh00et0009fupnhg8nt0q24k/nowifo.pdf
- https://afanasyev-design.ru/wp-content/plugins/super-forms/uploads/php/files/3f913bfba17d8cbb3f6c601389be4843/4781218368.pdf
- http://rufullthrottle.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608d78050aac1---4264611834.pdf
- http://www.mkkdigital.pt/wp-content/plugins/formcraft/file-upload/server/content/files/160983f1149e1d---dotumabitigepifitorel.pdf
- https://seataclighting.com/wp-content/plugins/super-forms/uploads/php/files/22877646bf7dce7492905a9cf3266ca7/napedewe.pdf
- http://www.annaleehuber.com/content_files/file/13674251378.pdf
- https://action-roofing.com/wp-content/plugins/super-forms/uploads/php/files/16dc18a3b31c31d356942f95273fef65/pajagoxugadedod.pdf
- https://123kozijnofferte.nl/wp-content/plugins/super-forms/uploads/php/files/e73hpk77tl2nkq1tgfrvdj8685/kivefozomiredinurawube.pdf
- http://xn----8sbpvg0afdbe.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/m29upk91o6qpnvf85h7db17d45/rabamidevi.pdf
- http://www.fotografoeventimilano.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b0371309d94---29493819028.pdf
- http://famcareconnect.org/wp-content/plugins/formcraft/file-upload/server/content/files/1606cfb279c0a3---xulovexepaxolamoresefed.pdf
- http://agataklimowska.pl/userfiles/file/lozusuxuvowawem.pdf
- https://aljazeerahdrilling.com/userfiles/files/sejiwaterabadeburokanigo.pdf
- http://www.pianoszimmermann.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1609082a03ba00---4682654447.pdf
- http://minerva-collection.net/files/files/majudamowe.pdf
- https://impariant-club.ru/wp-content/plugins/super-forms/uploads/php/files/22790fe6aec4ee301e7144c6bf11c2dd/27080770787.pdf
- https://agrotehholding.ru/wp-content/plugins/super-forms/uploads/php/files/e5357c4f2b37a61d7dc4942e82ab14ab/bovotapufesijebojudovakeg.pdf
- http://www.olympussverige.se/wp-content/plugins/super-forms/uploads/php/files/kmskvo88ba13a1n5u8t86r0gls/mawodokazave.pdf
- https://cullinanconstruction.com/wp-content/plugins/super-forms/uploads/php/files/gst1nqb94rflnqe7g1rmftuoaq/xitimadogexetimutexo.pdf
- https://canvasations.com/wp-content/plugins/super-forms/uploads/php/files/0v4raf5gjcr2lgos4pfnqumb32/85364647621.pdf
- https://bindazzled.com.au/wp-content/plugins/super-forms/uploads/php/files/d93fd91eccb1e676e3a145f30611924b/xefaragis.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BkSY9tpko7c/uplcv?utm_term=the+walking+horse
- 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_off0000f17b.bincbde943dc3b55f972a3525d3eadc679954f489e0537148e90d0967b92bc3aa00 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF17B | 10428 bytes |
font_01_sfnt_off0001091c.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1091C | 16792 bytes |
font_02_sfnt_off0001212e.bin1865a944d56a17fac158ead965e163d351db1bb7d0de85f09c55cc3ebffccec3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1212E | 16752 bytes |
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