MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous embedded URLs, many of which point to compromised WordPress sites or disposable hosting, indicative of a link farm used for phishing or malware distribution. The ClamAV detection and ML classifier strongly suggest malicious intent, likely related to phishing or trojan delivery via these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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://bastola.org/userfiles/file/73917571000.pdf In PDF document text
- https://fong-cai.com/upload/files/jetonuxajufakogifa.pdfIn PDF document text
- http://baggiez.net/userfiles/file/dosogimumufizogonotaro.pdfIn PDF document text
- http://snap-drone.com/userfiles/file/pofif.pdfIn PDF document text
- http://cw-cut.com/uploads/file/toxubesuwovapazuxo.pdfIn PDF document text
- http://vom-ragnaroek.de/uploads/file/xepigemefaduzadu.pdfIn PDF document text
- http://scoutpate.de/userfiles/file/69918921393.pdfIn PDF document text
- https://www.agcontraincendios.es/ckfinder/userfiles/files/26305239158.pdfIn PDF document text
- http://picassooutdoorliving.com/In PDF document text
- http://restokrat.info/userfiles/file/92515780877.pdfIn PDF document text
- https://123kozijnofferte.nl/wp-content/plugins/super-forms/uploads/php/files/99d1844947db1e2321e518c3290aad0c/60205863225.pdfIn PDF document text
- https://ghnservizi.com/file/16688562920.pdfIn PDF document text
- https://cnn-logistics.com/asset/files/99330103526.pdfIn PDF document text
- http://osteriadelcampanile.com/userfiles/files/moresazatulisone.pdfIn PDF document text
- http://liebherr-tr.com/userfiles/file/60317404788.pdfIn PDF document text
- http://kastely-vacduka.hu/fileok/file/kipemuwakurumalu.pdfIn PDF document text
- https://luxartparquet.com/wp-content/plugins/super-forms/uploads/php/files/c7c8995ed714e5d2a123b47673a75ede/ludofiburapabifujami.pdfIn PDF document text
- https://cs-nippon-cp.com/mailmagazine/upload/files/faremijorimuroko.pdfIn PDF document text
- https://mavismanagement.com/wp-content/plugins/formcraft/file-upload/server/content/files/16145ac1a5e06c---78127498380.pdfIn PDF document text
- http://kleinschaden-expert.com/userfiles/file/38408155175.pdfIn PDF document text
- https://angkorphotographyguide.com/userfiles/file/kazuzofixanemevivimiregag.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/LPIa9PGmDLg/uplcv?utm_term=gta+apk+onlinePDF 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_off0000ac42.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAC42 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000c459.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC459 | 10108 bytes |
SHA-256: 12e636b84c2418a0aa786fa11b7a9554b17d73b6294a7f3a74e63b9b06874500 |
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font_02_sfnt_off0000db04.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDB04 | 17048 bytes |
SHA-256: b346539ee3a324c5dcf50bc563aecb71e726757a1c260f04fb10abc1db1879d7 |
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