MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The document functions as a link farm, with numerous embedded URLs pointing to various websites, including those hosted on compromised CMS platforms. The presence of 'utm_term' parameters in some URLs suggests a phishing or SEO manipulation tactic to lure unsuspecting users to potentially harmful sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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://beastyenergy.com/userfiles/file/87936547933.pdf
- https://carthink.org/wp-content/plugins/formcraft/file-upload/server/content/files/1607177053724a---jizenuwuzikuf.pdf
- https://kogan-photo.ru/wp-content/plugins/super-forms/uploads/php/files/a5211f078add2679c42b3c65d18b2577/43564332507.pdf
- https://vdbergelectro.nl/wp-content/plugins/super-forms/uploads/php/files/5fc7929d75789611d5de142df80fe172/47146216901.pdf
- https://naucharts.com/ckfinder/userfiles/files/35129392189.pdf
- http://opalbiosciences.com/wp-content/plugins/formcraft/file-upload/server/content/files/16099ddd807626---6428179282.pdf
- https://bmw-zona.ru/uploads/file/nipinadafuxiwake.pdf
- https://arizonapoolcontractor.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b08faf741e1---tofapiwapinog.pdf
- http://tranhdaquydep.vn/upload/files/liredi.pdf
- https://motionslam.com/wp-content/plugins/super-forms/uploads/php/files/1fc2ba7b2a5e128bdf32b04247b9c405/fupukejab.pdf
- http://gulfcoolcontracting.com/uploads/userfiles/file/file/35561884866.pdf
- https://pluckywize.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608324cb43a81---21072879352.pdf
- http://bizbecho.com/pa/trainstation/uploads/image/file/vunikonokufutesidirun.pdf
- https://stefandes.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608472719373e---ziwujubaweve.pdf
- http://adhdadvisory.com/wp-content/plugins/formcraft/file-upload/server/content/files/16094bf8021d42---runepezodonijitivuduvu.pdf
- http://dzbnf.com/upload/file///jukoruperogujovagijuzomi.pdf
- http://elmbbq.com/uploads/files/turarikaloxadunenulanal.pdf
- http://www.arborvitae.cz/ckfinder/userfiles/files/50361318364.pdf
- http://angelojrobles.com/admin_initial_test/userfiles/file/gavotunisuzetumutizewi.pdf
- https://www.escon.it/wp-content/plugins/super-forms/uploads/php/files/22325846ac2e3ce13ac8217fe50442e4/50660323905.pdf
- https://wurstfargo.com/wp-content/plugins/super-forms/uploads/php/files/23230ddbdd7619f34e867e021e6dc6c6/nulomirame.pdf
- https://udachi.co.th/wp-content/plugins/super-forms/uploads/php/files/4g1a36mah4sctvrt98slui52bg/buworomamupuvetukimalura.pdf
- https://dentinale.eu/wp-content/plugins/super-forms/uploads/php/files/a59844e73b1049f71720273ce0ab1f02/kuzepujen.pdf
- https://christembassybarking.org/wp-content/plugins/super-forms/uploads/php/files/cfebe430d4b609c7d13eb15407accf95/komovodalutopex.pdf
- http://williamshudson.org/clients/3/35/35bf74ce48b5c120232fd40fb4fe3e45/File/71895062082.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/zMnd8XtcwSM/uplcv?utm_term=which+japanese+pokemon+cards+are+worth+money
- 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_off00011391.bin2941aaae6796920849ac2c2e5aa61d6886f8794816afea61977fcf1793cb127c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11391 | 11148 bytes |
font_01_sfnt_off00012d7f.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12D7F | 16792 bytes |
font_02_sfnt_off00014591.bin75e8441b259ce2d4e094a62f1224e307aeda23c63d0a200534fbf949fcd22233 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14591 | 17716 bytes |
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