MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
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 embedded URLs point to compromised WordPress sites and disposable hosting, indicating a link farm designed to redirect users to malicious content. The presence of these links suggests an attempt to distribute phishing content or download further malware.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://crewmak.ru/uplcv?utm_term=my+heart%27s+a+stereo+meaning
- http://scan3dsaigon.com/upload/files/74244996543.pdf
- https://maxim-catering.de/wp-content/plugins/super-forms/uploads/php/files/89hb63eppov35llshj19roqcps/18796561281.pdf
- http://extreamtuning.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160bbb0e9390a8---61386817676.pdf
- https://theshairpodcast.com/wp-content/plugins/super-forms/uploads/php/files/585f4bd41455f7b596a6b0e68eacffd7/98395992215.pdf
- http://photographybynami.com/wp-content/plugins/formcraft/file-upload/server/content/files/160742690cb9bf---rebotoganonid.pdf
- http://www.tif.cn/wp-content/plugins/super-forms/uploads/php/files/a6ic4n6d50qe8n747n0netgm77/95591765188.pdf
- http://www.insurancedirectcanada.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16074dbee0767f---vigumonelezulekoweb.pdf
- https://40parables.com/wp-content/plugins/super-forms/uploads/php/files/d797048e50c1272f16a0ce2b626147f1/42837902790.pdf
- http://mirembeestate.co.ug/wp-content/plugins/formcraft/file-upload/server/content/files/1608a02164329e---tiramipezegari.pdf
- https://realimpacto.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a59ad3b154d---8919331466.pdf
- http://www.siscard.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c05b38e2c0f---dibexasamapokesipo.pdf
- http://oneself.pro/wp-content/plugins/formcraft/file-upload/server/content/files/160750134acb22---xejasete.pdf
- https://travels-ukraine.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d7f28e496a---jogatirewidopizok.pdf
- http://afghansolar.com/userfiles/file/62832510957.pdf
- https://www.dishdivvy.com/wp-content/plugins/super-forms/uploads/php/files/c16fb334acaf7459e414d98fd441544b/rurenit.pdf
- https://airshow-bg.com/file/20048386284.pdf
- http://amadpich.com/userfiles/file/11556309553.pdf
- https://envida-nieuws.nl/bsb_website/upload_fck/file/4569267412.pdf
- http://allamericannursing.com/userfiles/file/78665750626.pdf
- http://be1971.com/clients/a/a1/a19be2fc4cf8b198b52f296748481ce5/File/71690141619.pdf
- http://arniestribu.com/campannas/file/69922621365.pdf
- http://mppscstudy.com/admin/usercontent/file/27534304890.pdf
- http://www.absolutecateringla.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d254a15cee---80120132648.pdf
- http://actionelectric.pt/www/wp-content/plugins/formcraft/file-upload/server/content/files/1609ed42214561---loguvepuzobabofotedije.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_off0000f433.bin656beab41610836c78c52df5b6934957be2ed9db9fbe537af0653fee2545184a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF433 | 18012 bytes |
font_01_sfnt_off000123a5.bina6610499d542f7f8580e8c6c4ca1199051323cfb6762538016daa14d525a63d3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x123A5 | 10652 bytes |
font_02_sfnt_off00013bf7.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13BF7 | 16792 bytes |
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