MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous links pointing to compromised websites, suggesting a link farm designed to redirect users to malicious content. The PDF structure and the nature of the URLs indicate a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9968
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://saftanton.dk/wp-content/plugins/formcraft/file-upload/server/content/files/16079555d9f525---30571714044.pdf
- http://recruiters-zone.com/wp-content/plugins/formcraft/file-upload/server/content/files/160afd00de185f---bevejepowirizixozudik.pdf
- https://higher-reason.com/wp-content/plugins/super-forms/uploads/php/files/dhll0d6rt2gm1c72ukpmplarfl/47660455842.pdf
- http://energo-market.ru/sadm_files/tawisapisibogulus.pdf
- http://www.bridalchapel.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608187f429c87---68335534788.pdf
- https://www.businesswatchguardingservices.co.uk/wp-content/plugins/super-forms/uploads/php/files/5f9gat6ef5n2ngpk1rdu3t9rbh/jiziwaxuwedefidipa.pdf
- https://westcoastmovers.ca/wp-content/plugins/super-forms/uploads/php/files/0o4o706hlnfj2mn6rbk6j3dbgh/81878438219.pdf
- https://machnhaduong.com/images/uploads/files/1796121299.pdf
- https://investainternational.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608745a25e879---18085484231.pdf
- https://commonwealthsportsawards.com/userfiles/file/16154082768.pdf
- https://gpuhub.net/wp-content/plugins/super-forms/uploads/php/files/0j1truj465hv67l33qlragb4v7/fugega.pdf
- https://isabellepieman.com/userfiles/file/daronevimowuwa.pdf
- https://www.ferienhof-schneider.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607b70d3f1a43---14067304804.pdf
- https://bientannamhuy.com/wp-content/uploads/files/6778227457.pdf
- http://yunnanyingxiang.com/ckfinder/userfiles/files/warosovenoda.pdf
- https://www.kiteschule-eckernfoerde.de/wp-content/plugins/formcraft/file-upload/server/content/files/160b894770497b---10119122652.pdf
- https://t2sc.me/userfiles/xoroloj.pdf
- http://harringtonassociateslaw.com/Test/JabzMedicalBillingService/userfiles/file/70030771348.pdf
- https://homestayhoian.vn/uploads/image/files/31475893974.pdf
- http://fabrykakonwersji.pl/wp-content/plugins/super-forms/uploads/php/files/5818522f5a476cbafbb5798d8ae9217f/wekibibepawo.pdf
- http://ciaooo.ru/uploades/userfiles/file/zovamafiwibivanufajibaran.pdf
- https://www.auditek.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160759610c9312---zelomezadovifisajajuvot.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/GLLx1DTH0VQ/uplcv?utm_term=example+for+geometric+sequence
- 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_off0000d0e8.bin476bf56fac09dc25dd29dadebb56bca66287f75ad69f0591796b78049a732fe9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD0E8 | 17616 bytes |
font_01_sfnt_off0000ff58.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFF58 | 16792 bytes |
font_02_sfnt_off0001176f.binc029b659af55e7d173a74f66de441ffecaaac0a18ac19083013b1b17b71bebf6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1176F | 11156 bytes |
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