MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was identified as malicious by a machine learning classifier and ClamAV, specifically as a phishing trojan. Heuristics indicate it functions as a link farm, directing users to multiple external websites, some hosted on compromised CMS uploads. The presence of numerous links, including one pointing to a compromised WordPress upload, suggests an attempt to distribute malicious content or phish for credentials.
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 http://donaldnathanlaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/zumiwamikurexejal.pdf
- http://uat.ideadunes.com/projects/ideadunes-portfolio-site/wp-content/plugins/formcraft/file-upload/server/content/files/160e042265f18b---74701929364.pdf
- http://aircond.md/upload_fck/file/15506572525.pdf
- https://pensiunea-escape.ro/ckfinder/userfiles/files/paxedev.pdf
- http://baggiez.net/userfiles/file/ladexamelajobebudolesoz.pdf
- http://teaandtiarasottawa.com/clients/e/e8/e8f54e69a7463df9fd0adff13cd8e90f/File/37321947381.pdf
- https://www.heainc.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c96ca083eb---2881156341.pdf
- https://www.coconutlodge.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c91d81d405---xorarapifetexoxiwukuf.pdf
- http://thankschicken.com/uploads/files/zuwilob.pdf
- https://ilcaminodaugo.it/file/7231732064.pdf
- http://anonelectronics.com/admin/fckeditor/editor/filemanager/connectors/php/upload_jpg/file/202105100028463621.pdf
- http://drapikowski.pl/uploaded/fck_files/file/96507771689.pdf
- http://inter-travel.hu/_user/file/39121514131.pdf
- http://constructionone.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160c9bd858a07d---78645755205.pdf
- http://mottaing.eu/userfiles/files/91655426819.pdf
- https://fietenhaardenenkachels.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16084dd7a1d641---76624823072.pdf
- https://www.arc-welding.co.uk/wp-content/plugins/super-forms/uploads/php/files/5vltamm9seeropo3q8driqnqhv/22364308895.pdf
- http://pck.malopolska.pl/wp-content/plugins/super-forms/uploads/php/files/58f97d95c45ad99588d76e136ab0cc56/wagiwire.pdf
- https://www.waterlooarmsnewforest.co.uk/wp-content/plugins/super-forms/uploads/php/files/36b36f76c00f26c1749d74ac345224a7/96496897247.pdf
- https://www.accidentinjurylascruces.com/wp-content/plugins/super-forms/uploads/php/files/ip2i23s2imv9l91m30fqh4mqig/tixavurufufofazik.pdf
- https://regalcabs.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160e003c91f1a2---jeketotatoxogiwotaxelafi.pdf
- https://www.taxiserviceh24.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a283299d5df---ginagebidatopupavo.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/fzgW7-mxBc0/uplcv?utm_term=watch+the+hobbit+battle+of+five+armies+extended+edition
- 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_off0000cd94.bin9bcdf73a6dc94f4b635b01379c3cd34d3f7711aa54a0f42897857e79bc27135e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCD94 | 11044 bytes |
font_01_sfnt_off0000e726.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE726 | 16792 bytes |
font_02_sfnt_off0000ff38.bin38c64b2c7f36e7bf1e7f1d1fed0f3ca3fb21baec51a5e85e67c10061cb0d5e5d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFF38 | 16900 bytes |
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