MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The file is identified as malicious by ClamAV with a signature indicating it is a phishing trojan. A PDF URI heuristic also extracted a suspicious external URL, which is likely used to deliver the phishing content. The PDF structure and the presence of external links suggest an attempt to redirect the user to a malicious site for credential harvesting or other malicious activities.
Machine Learning
- Nyx PDF Classifier malicious score 0.9849
Heuristics 7
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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 to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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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://lbjgold.in/ckfinder/userfiles/files/rapaxelubepi.pdf
- https://www.naabelectric.com/userfiles/files/fisut.pdf
- http://eprdel.cz/userfiles/file/93105259617.pdf
- http://jts-electrical.co.uk/ckfinder/userfiles/files/86209140479.pdf
- https://noticky.net/akce/fotky/file/kisesawotar.pdf
- http://mhinflatable.com/upload/file/zejupolu.pdf
- https://verticala.ro/images/userfiles/kilalimi.pdf
- http://dirpub.org/editor/ckfinder/userfiles/files/98080442066.pdf
- http://7m-shop.com/userfiles/file/35575307864.pdf
- http://kindervakantieweekdeurne.nl/wp-content/plugins/formcraft/file-upload/server/content/files/161743eb4275e4---50337738550.pdf
- http://haki.tincorner.com/uploads/files/15112504018.pdf
- http://kino-cosmik.ru/sadm_files/sagegomoruzobazuz.pdf
- http://adhdadvisory.com/wp-content/plugins/formcraft/file-upload/server/content/files/161515bf611893---56258855371.pdf
- https://fu-ko-property-agency.com/webroot/editor-uploads/files/81564923448.pdf
- http://av-jet.ru/userfiles/file/77100267864.pdf
- http://creative-format.com/upload/editor/files/76713755874.pdf
- http://kcpsystem.com/userData/board/file/luriludazutogirusuxi.pdf
- https://palcev.ru/userfiles/file/87837380003.pdf
- http://severstroysnab.ru/userfiles/file/paluvurenifesezom.pdf
- http://ingegnasrl.com/userfiles/files/31027101673.pdf
- http://turnyras.lt/Files/file/89020423629.pdf
- http://bonaparte-kerkrade.nl/fckeditor/ckfinder/userfiles/file/pineb.pdf
- http://surtek.biz/image/files/20150430_054116.pdf
- http://kmkonsult.cz/userfiles/file/18272161236.pdf
- http://koppeika.ru/userfiles/file/motogademirumun.pdf
- http://ambulatorioveterinariopisillibertozzi.eu/userfiles/files/64076107648.pdf
- http://kazenergy.kz/wp-content/plugins/formcraft/file-upload/server/content/files/161669be750956---ziwapawalus.pdf
- https://feedproxy.google.com/~r/Gsjc/~3/BGAemAmcdTc/uplcv?utm_term=gksolve+current+affairs+2020
- 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_off0000de99.bin67e657b0b9bf0dc49b52fcaaab4caefe480db3457b052d29e283dc8eb629abd2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDE99 | 11996 bytes |
font_01_sfnt_off0000fb9b.bin45015263e28dbf00792e0fa83ae0fb9123af5110209f191c00797c49350166ef |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFB9B | 16540 bytes |
font_02_sfnt_off000112bc.bine1a1c53c5826efab8a41ab6fafa362311ac6c33996897ddc1f8431b04a1456ee |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x112BC | 18672 bytes |
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