MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The file functions as a link farm, containing numerous URLs pointing to compromised WordPress sites and other disposable hosting. These links likely lead to phishing pages or further malware downloads, serving as a distribution mechanism for malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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://cructi.ru/uplcv?utm_term=how+many+hours+to+graduate+with+a+bachelor%27s+degree
- http://www.misshandicap.ch/wp-content/plugins/formcraft/file-upload/server/content/files/16092e82da7f03---68799301011.pdf
- http://neuragen.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1608df9872862f---xanapasinorelabe.pdf
- https://jgmurphy.com/wp-content/plugins/super-forms/uploads/php/files/1b4e8ce245a04e41d797cbc36edbff7d/vobuwavilije.pdf
- http://sip7.online/wp-content/plugins/super-forms/uploads/php/files/b4b6a4bb21123349bf74cba11908e146/vepagabomigo.pdf
- http://sieuthivatlieuhoanthien.com/upload/files/6610271282.pdf
- http://omgmediatank.com/userfiles/files/xirokapasilixaduve.pdf
- http://inlikeflintlogistics.com/wp-content/plugins/formcraft/file-upload/server/content/files/16098052c7fd31---musoxaduvabowewodaku.pdf
- https://olgapopovaphoto.com/wp-content/plugins/super-forms/uploads/php/files/158ed4a5bb325e52db072ad663bf788f/72863313903.pdf
- https://www.c2commercial.com/wp-content/plugins/super-forms/uploads/php/files/fd08b5d3b99feeea895a7b52fc00a9b9/bopanawumujoge.pdf
- https://www.spreefahrten-berlin.de/wp-content/plugins/super-forms/uploads/php/files/g4e85231j28e008r33h9c4utcj/zimowomumowexujubi.pdf
- https://atolab.it/wp-content/plugins/super-forms/uploads/php/files/a14d4e9d86c41dae48e730af40a8fe1b/fagamodifizazixovojudini.pdf
- http://bbfrontedelmare.com/userfiles/files/83343494475.pdf
- http://barrarioservicos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1609f52e37627e---80162981726.pdf
- http://english-life.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160722f15befd1---95677317200.pdf
- http://www.vivelamusica.es/wp-content/plugins/formcraft/file-upload/server/content/files/1608ea4c50f0ab---93141925145.pdf
- https://almuhja.net/ckfinder/userfiles/files/71225748465.pdf
- https://mrmusicfoundation.org/wp-content/plugins/super-forms/uploads/php/files/ked9thl82qcoj92s0bqp6q5l8l/8962248305.pdf
- https://adbetelparaguay.com/wp-content/plugins/super-forms/uploads/php/files/f7f7285a76a635922928e6e28cfebf59/miwekadakugeloxe.pdf
- http://www.circoloaletrium.it/wp-content/plugins/formcraft/file-upload/server/content/files/1607cc9c4a3726---8521178020.pdf
- http://ttlengenharia.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607517801b36d---66949215065.pdf
- https://travels-ukraine.com/wp-content/plugins/formcraft/file-upload/server/content/files/16071cbe902334---63322296375.pdf
- http://aeronautike.com/userfiles/file/zunanibutevif.pdf
- http://aihyang.com/userfiles/file/4076249402.pdf
- http://kioskcondoweb.wpengine.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607871249f146---5165216740.pdf
- 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_off0000fa24.bin7244cd777658b18b544dd3b8ddc1421e4f3d897378e4b8a6b0b4e89a499dee63 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFA24 | 17028 bytes |
font_01_sfnt_off000126ab.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x126AB | 16792 bytes |
font_02_sfnt_off00013ec2.bin86e581772c32a6df77ca99c60bba79b8d5531353b5c93cc2b80112ae06f13ca6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13EC2 | 11284 bytes |
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