MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was flagged by a machine learning classifier and ClamAV as malicious, indicating a phishing or malware distribution attempt. It functions as a link farm, with numerous embedded URLs pointing to potentially compromised WordPress sites. The heuristic 'SE_URGENCY_LURE' suggests the document may contain language intended to create a false sense of urgency, a common tactic in phishing campaigns.
Machine Learning
- Nyx PDF Classifier malicious score 0.9993
Heuristics 7
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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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Urgency / deadline lure low SE_URGENCY_LUREDocument contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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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://www.chartsunlimited.com.ph/wp-content/plugins/formcraft/file-upload/server/content/files/1607168ec3b351---21350511955.pdf
- http://zaun-produzent.de/userfiles/file/81640529725.pdf
- https://maloneslandscape.com/wp-content/plugins/formcraft/file-upload/server/content/files/16090721fc4000---6713309387.pdf
- https://adbetelparaguay.com/wp-content/plugins/super-forms/uploads/php/files/79924b39b44c4b11f9bcc404d6fc1caf/lolumuluxolinijajeb.pdf
- http://jmvlpslimited.com/ci/userfiles/files/61852483317.pdf
- http://www.nbrownies.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16076963fc1042---817877729.pdf
- http://lawcab.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160906363c6bec---46286559945.pdf
- https://www.letspassdriving.co.uk/wp-content/plugins/super-forms/uploads/php/files/p7teck17kvn5olbgfohtlplmdj/dujemodirebug.pdf
- https://ohligschlaeger-berger.de/wp-content/plugins/formcraft/file-upload/server/content/files/160aa07c107e9b---dilutubetisorijiso.pdf
- http://www.k-24.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a017f108f24---fumobavabe.pdf
- http://kusadasidentalclinic.com/img/userfiles/files/96492316369.pdf
- http://julieesteban.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c57f531e359---10673259734.pdf
- https://master.plus/wp-content/plugins/super-forms/uploads/php/files/3c420b0fb515bfa26ccf211c7be37ce7/40206557293.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- http://www.daltonmaag.com/
- https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=pdfelement+6+pro+for+mac
- 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
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 5
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000df9d.bin91c65d4daef29bab276e56b606f9c5013e4f13bc29c78e9eee33dd87ab02342c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDF9D | 2996 bytes |
font_01_sfnt_off0000ea61.bin87cdebd1f53b0e3ec9b5dee490edd85a5d270500836ff95778adc34186862e60 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA61 | 5020 bytes |
font_02_sfnt_off0000fb49.bin4bf7e88649b31a4b23f4f4f784aafebb23a66dd22f33d220c3f6e951e78c8f52 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFB49 | 20784 bytes |
font_03_sfnt_off00012dab.bin50c8c2658d4ab23fa7a49de5526b1a2dc8c293f5b997ba4a137803ef6067b06c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12DAB | 16324 bytes |
font_04_sfnt_off0001431b.bincd94ef65598b1866d0653cdd88243d989fd81359c0e770c2d3a4858f1c2f6d34 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1431B | 4324 bytes |
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