MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as Pdf.Phishing.Trojan. The numerous external URLs embedded within the document, many pointing to compromised CMS uploads or disposable hosting, suggest a link farm designed to redirect users to malicious sites. The file's creation by wkhtmltopdf indicates it may have been generated programmatically for this purpose.
Machine Learning
- Nyx PDF Classifier malicious score 0.9964
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=malafide+intention+meaning+in+telugu
- http://traiteur-ribot.fr/userfiles/file/wumozokewoxunumato.pdf
- http://sam-global.info/files/file/45226298899.pdf
- http://www.oschouston.com/osc/wp-content/plugins/formcraft/file-upload/server/content/files/16077bb62d6f93---lodokuniwivuxixiwarevopu.pdf
- http://voxel-avocats.fr/uploads/file/60994286221.pdf
- http://windcampus.com/wp-content/plugins/formcraft/file-upload/server/content/files/16076164888710---lejoxosurajirolu.pdf
- http://apsara.ru/userfiles/file/nodedamonevewazijaluxab.pdf
- https://daluxerealty.com/wp-content/plugins/super-forms/uploads/php/files/bgrukgsn57vvqi9gc3hdsb06j4/16854524898.pdf
- http://andlupa.com/userfiles/file/nobunofagujuwum.pdf
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c307c75df75---37398578778.pdf
- http://alimentosldm.com/userfiles/file/xagilojoweximunugux.pdf
- http://www.julitolaschools.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609b0a5490409---fodefojibotuxup.pdf
- https://www.stamfordtaxis.com/wp-content/plugins/super-forms/uploads/php/files/t5carjtgp7escviv8o6a9b0v4c/96747062714.pdf
- http://ideas4mypool.com/userfiles/file/98077977005.pdf
- http://math-talk.kr/wp-content/plugins/super-forms/uploads/php/files/mcdc20pjdkeaj9mp3gql5g4nnn/17439067227.pdf
- http://www.julitolaschools.com/wp-content/plugins/formcraft/file-upload/server/content/files/160721790bf8cb---fexememijidiruzolalovaxi.pdf
- https://totalyoumovement.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b63930a3782---44226794002.pdf
- https://www.tessilgiada.it/wp-content/plugins/formcraft/file-upload/server/content/files/160d4e9ccd09ee---wukek.pdf
- http://midiabyz.com/wp-content/plugins/super-forms/uploads/php/files/ce99011adbb1d07ccb24b746cebb3b8f/fowodu.pdf
- https://fruzsiflame.hu/userfiles/file/tazekidilifaxefagapo.pdf
- https://www.advids.co/wp-content/plugins/formcraft/file-upload/server/content/files/160751ca80ddd1---fogato.pdf
- https://fenixfalt.com/userfiles/file/12585269814.pdf
- http://lilit-realty.com/wp-content/plugins/super-forms/uploads/php/files/qa8qr185imj8t6ldcolqmh5lu0/47964818642.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_off0000e072.bincdbf3f9e456d3b467269d914b191301a5297f2b35c5a3d784976c455d5a49106 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE072 | 17424 bytes |
font_01_sfnt_off00010c8c.binbf58a354b462499511368635e2ac81187dd2aa34af3a888daeafa8d4b6411eab |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10C8C | 10520 bytes |
font_02_sfnt_off0001243e.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1243E | 16792 bytes |
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