MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was flagged as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The document contains numerous links to external websites, many of which are hosted on compromised CMS platforms, suggesting a link farm or phishing lure. The presence of PDF_SEO_DISPOSABLE_LINK_FARM heuristic further supports this, indicating the document is designed to drive traffic to potentially malicious sites. No scripts were extracted, but the overall structure and URL distribution point towards a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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://www.fotografoeventimilano.com/wp-content/plugins/formcraft/file-upload/server/content/files/16084256120b7f---jababamaxodobofu.pdf
- https://masterpieces-mallorca.com/wp-content/plugins/super-forms/uploads/php/files/516cfdf32f34b7c0545038894fd4299a/ferew.pdf
- https://www.ezhealthcheck.com/wp-content/plugins/super-forms/uploads/php/files/ndr1b1a8c57qplgj240k692gh4/bedijefixisoba.pdf
- https://www.siemers-deutschmann.de/wp-content/plugins/super-forms/uploads/php/files/uvrhtpr26t9v11b26opt7cd2e2/vorizawosutogawuge.pdf
- https://www.chauffeur-prive-nice.fr/wp-content/plugins/formcraft/file-upload/server/content/files/16095907a0d845---pabumikaj.pdf
- https://www.waterlooarmsnewforest.co.uk/wp-content/plugins/super-forms/uploads/php/files/d9255a33e64467b1c82373c7c3454a54/zimusasiposo.pdf
- https://noddy.nu/images/file/12376558271.pdf
- http://modelkyujin.com/wp-content/plugins/formcraft/file-upload/server/content/files/160900eeb2eb9e---76193539370.pdf
- https://www.chartsunlimited.com.ph/wp-content/plugins/formcraft/file-upload/server/content/files/1609c6560a3b64---81696348413.pdf
- http://arniestribu.com/campannas/file/dirasupowutoguli.pdf
- http://www.sg-callenberg.de/wp-content/plugins/formcraft/file-upload/server/content/files/16096d01d4a134---34933896031.pdf
- http://vonkoenigsmund.de/wp-content/plugins/formcraft/file-upload/server/content/files/1606d06e79d2e3---pabumonusukapezubasup.pdf
- http://www.associatedomains.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609669cc39867---lusawarenik.pdf
- http://www.auditsi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608d9d054b190---20162628624.pdf
- https://www.tctnanotech.com/wp-content/plugins/super-forms/uploads/php/files/258eb3d85dfa5a92afa1eb8c001e6779/piwibonosegezupogaze.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/cv9VXjIrmdE/uplcv?utm_term=amrn+stock+earnings+report
- 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://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000be8d.bind57a818a43a3f6ab964bdf2a0e8a86bedd6cf627ed24b31464e37b767e0820d7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBE8D | 5276 bytes |
font_01_sfnt_off0000d070.binf87db85547a397986776ea9fec9fce3edfbebcd3e894c48a79a6f2e54e00640d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD070 | 9620 bytes |
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