MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as a phishing trojan. It contains numerous links pointing to external websites, many hosted on compromised CMS platforms or disposable hosting, suggesting a link farm or phishing lure. The file's structure and embedded links indicate an attempt to redirect users to 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://infrive.ru/uplcv?utm_term=where+are+saved+messages+on+android
- https://www.gsccn.it/wp-content/plugins/formcraft/file-upload/server/content/files/161453ff0cf0bc---luneburadi.pdf
- https://www.mozartcantat.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16136d7619f2a0---36737564200.pdf
- http://knshzj.com/CKEdit/upload/files/60120564651.pdf
- https://noukos.gr/wp-content/plugins/formcraft/file-upload/server/content/files/16144de7d0711e---58262016909.pdf
- http://gr-chem.com/upload/files/40790861266.pdf
- http://angelojrobles.com/admin_initial_test/userfiles/file/36641016677.pdf
- http://annabarons.com/files/files/saguxibijusuxut.pdf
- http://seghers.kr/data/editor/file/18273114266139c053c79ef.pdf
- http://harringtonandlombardi.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/80019728693.pdf
- http://radissonhoteltraining.com/userfiles/file/13964356403.pdf
- http://groupkaishan.com/d/files/88040836488.pdf
- https://grandhotelbulgaria.com/userfiles/file/binefazu.pdf
- http://centreforeffectivecoaching.com/media/file/bumefi.pdf
- http://www.linkkorea.co.kr/wp-content/plugins/formcraft/file-upload/server/content/files/1613c2aa67db36---tunenojudabep.pdf
- http://templeton.sk/userfiles/file/59792234883.pdf
- https://freshchannels.com/home/sites/freshchannels/public_html/ckfinder/userfiles/files/rurebikuxovivoru.pdf
- http://nawoo.net/userData/board/file/48672965189.pdf
- https://barcelonacentremedic.cat/files/galeria/files/17249275192.pdf
- http://nd-58.ru/wp-content/plugins/super-forms/uploads/php/files/705d4fcdd2af4b1caedf0fdf88607064/guvetogisugelobokabatuji.pdf
- http://vegasoft.hr/wp-content/plugins/formcraft/file-upload/server/content/files/16145386cea728---nanolizavabonatopajo.pdf
- https://mogilew.ru/userfiles/file/buboponimejalipaluzame.pdf
- https://trinityautorepairs.com/uploads/files/vugidixozu.pdf
- https://kuzeyilac.com/resimler/files/fevirasezesoserenozobeno.pdf
- https://www.breastcancerfoundation.in/wp-content/plugins/super-forms/uploads/php/files/59f2552b0f0377f87ce6ba2b2eb469ff/43667313302.pdf
- https://usgcambodia.com/userfiles/file/jexomuguz.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_off0000befb.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBEFB | 16792 bytes |
font_01_sfnt_off0000d70d.bin1f6a6ea99d0a251a13feff30ec76ab65e2b93af898680c82168b2e3d7cb069e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD70D | 16320 bytes |
font_02_sfnt_off00010096.binda3de65a6f49b5fe95bf81a45983c243e84983d03edd82c4f9f53ded7721496a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10096 | 10608 bytes |
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