MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate it functions as a link farm, directing users to multiple compromised WordPress upload directories and other potentially malicious sites. The embedded URLs and the nature of the heuristics strongly suggest a phishing or malicious redirection attack.
Machine Learning
- Nyx PDF Classifier malicious score 0.9993
Heuristics 6
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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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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://bagpack.com.np/wp-content/plugins/formcraft/file-upload/server/content/files/160bba10c085ee---dudojawotedaxesuvep.pdf In PDF document text
- https://www.ediliziaindustriale.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cbd2a3d9a1---suwenuvoxod.pdfIn PDF document text
- https://intellicapital.in/ckfinder/userfiles/files/sitalowidun.pdfIn PDF document text
- http://hungthanhauto.com/luutru/files/fijejexobuxazodufududib.pdfIn PDF document text
- https://netpage.info/userfiles/file/66825749102.pdfIn PDF document text
- https://akproauto.com/nbloom/fckuploads/file/8667307862.pdfIn PDF document text
- http://sakem.org/userfiles/files/45071643430.pdfIn PDF document text
- http://altaprecision.com/userfiles/file/62370457664.pdfIn PDF document text
- http://verkoop-je-wagen.be/wp-content/plugins/formcraft/file-upload/server/content/files/1607435d82555d---wurekarivom.pdfIn PDF document text
- http://weberstellen.ch/userfiles/file/53509298307.pdfIn PDF document text
- https://upaspor.com/resimler/files/45145303574.pdfIn PDF document text
- http://adria-ex.com/images/blog//file/bosugixizaxujewak.pdfIn PDF document text
- http://reguitti-engineering.it/userfiles/files/95267985129.pdfIn PDF document text
- http://ulv-fogger.ru/d/files/29184467764.pdfIn PDF document text
- http://aeronautike.com/userfiles/file/23011896537.pdfIn PDF document text
- http://neonatal-surgery.ru/userfiles/files/ruginafejeluxuzirenite.pdfIn PDF document text
- https://aguiapromocional.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160b0c451026cc---69356239642.pdfIn PDF document text
- http://villaturri.it/wp-content/plugins/formcraft/file-upload/server/content/files/16080ebee31941---22767966496.pdfIn PDF document text
- http://i-daa-wl.de/userfiles/66976299270.pdfIn PDF document text
- http://cnhhgj.com/upfiles/userfiles/file/8760408824.pdfIn PDF document text
- http://pck.malopolska.pl/wp-content/plugins/super-forms/uploads/php/files/aba9db2cfdaf110099e836a2644e8300/35566028737.pdfIn PDF document text
- http://ardechetendancebrut.fr/userfiles/ardechetendancebrut.fr/file/mibemo.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/ngfLrbzwjls/uplcv?utm_term=what+is+use+of+absorption+costingPDF 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_off0000d665.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD665 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ee77.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE77 | 16408 bytes |
SHA-256: 6904330bad9129f4031f16a6b636b63315a2ebfda91b4b2d950800350ebbe0a2 |
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font_02_sfnt_off000118c5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x118C5 | 10948 bytes |
SHA-256: b720e14f6c5d8459c5cd513a5f35d6db65a7ff3f7dc12cae3ad59c4f4d96c9fc |
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