MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous links pointing to external websites, many of which are hosted on compromised CMS platforms or disposable domains, suggesting a link farm or phishing lure. The PDF structure and embedded links are consistent with spearphishing attachments used to redirect users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9970
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://amkboiler.com/wp-content/plugins/super-forms/uploads/php/files/6hu9n0fja2j7ifm9tofh288v57/50490728854.pdf
- https://chetanaus.org/bheru/uploadfiles/file/16044987826.pdf
- http://www.justgiveahand.org/wp-content/plugins/formcraft/file-upload/server/content/files/160a061128f64f---futifoxabuxebazox.pdf
- https://deniz-sogutma.org/img/userfiles/file/ladolaxozibusukoxomataro.pdf
- https://beatmuellerfoto.ch/userfiles/files/senanidefekexaruxalan.pdf
- http://dungcubepgiangtrinh.com/webroot/img/files/75943484793.pdf
- https://hacunamatata.ru/wp-content/plugins/super-forms/uploads/php/files/3fca1629df59656660e711695d040beb/gamuzidimalubuv.pdf
- http://autohondl.cz/userfiles/file/83995435758.pdf
- https://medtek.vn/storage/file/jolodulorub.pdf
- http://studiomanzella.com/userfiles/files/18700783658.pdf
- https://soba05.org/wp-content/plugins/super-forms/uploads/php/files/ece641df7e38938759c520ae6d87b407/18431681735.pdf
- https://www.myosiaffiliate.com/199trust/img/file/8860909050.pdf
- http://ash-graphy.com/userfiles/file/3707670603.pdf
- https://www.erenang.com/wp-content/plugins/formcraft/file-upload/server/content/files/16083db61da848---kegulakaladereli.pdf
- https://www.energetisch-therapeut-estie.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1608f81755a604---50223781291.pdf
- https://sckstone.com/wp-content/plugins/super-forms/uploads/php/files/b6bfacbaf3beddd1ba3b5c04040b12ee/sutolijenukasuwu.pdf
- http://laser-piskovani.cz/democms/userfiles/file/lodudugi.pdf
- http://nowyhotelik.pl/userfiles/file/15054123015.pdf
- https://pabausa.org/wp-content/plugins/formcraft/file-upload/server/content/files/160ab79b52bd98---57366659179.pdf
- https://sip7.pl/autoinstalator/sip7.online/wp-content/plugins/super-forms/uploads/php/files/8ede43e74c631e505067b8f9e7f2b54f/razaborinomepa.pdf
- http://heilpraxis-pankow.de/wp-content/plugins/formcraft/file-upload/server/content/files/160c787ddf2281---35318007255.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/YTWXjIUwRh0/uplcv?utm_term=watch+pink+panther+2006+online+free
- 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_off0000ef09.bin1282cc4f4ffa39cac5f08c6f88eee659324c04cabddbed10bd3f8a5297f849b9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF09 | 17804 bytes |
font_01_sfnt_off00011d6c.bin93e200d1fc2e4570f21dc33b873865b6e758921c886fb46f8d3438d46338cbc3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11D6C | 10904 bytes |
font_02_sfnt_off000136ac.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x136AC | 16792 bytes |
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