MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was identified as malicious by ML classifiers and ClamAV, exhibiting characteristics of an advance-fee scam. It contains numerous links to potentially compromised websites, suggesting a distribution mechanism involving link farms. Although no scripts were explicitly extracted, the PDF structure and heuristic firings strongly indicate a phishing or scam attempt, likely delivered as a spearphishing attachment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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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Advance-fee lottery/parcel scam lure high SE_ADVANCE_FEE_SCAM_LUREDocument contains lottery/beneficiary or prize language together with large-value draft/funds wording and parcel/courier delivery requirements. This is a classic advance-fee fraud document shape.
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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://www.gc-antey.ru/ckfinder/userfiles/files/78514065440.pdf
- https://kaptenhoki.com/contents/files/7973268712.pdf
- http://www.gametimecatering.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613a156860030---funaxufuna.pdf
- http://preprod.app-nomads.com/ugecam/admin/ckfinder/userfiles/files/92714475136.pdf
- http://aceonlinementors.com/userfiles/file/37818099853.pdf
- http://doggystylzgrooming.com/admin/photos/file/nulimewademunoz.pdf
- http://kondicionery-himki.ru/upload_picture/file/lijetusuvusejozoromiji.pdf
- http://skoleniridicu-online.eu/ckfinder/userfiles/files/sidepuz.pdf
- http://nt-module.ru/ckfinder/userfiles/files/9123857650.pdf
- http://hoangnamjsc.com/upload/files/75622396569.pdf
- http://www.danvillern.com/wp-content/plugins/super-forms/uploads/php/files/9312c272ace79209dbd8ec2d90554865/61335237738.pdf
- http://thaicockstar.com/ckfinder/userfiles/files/45983940810.pdf
- https://artsketch.ru/wp-content/plugins/super-forms/uploads/php/files/12a398ba856bad57a66902530604aa2b/kudom.pdf
- http://www.uc-kushiro.net/images/library/File/pemiwivalibadupubonasegir.pdf
- http://clean-ecology.com/Upload/files/1417917533.pdf
- https://theipbuzz.com/images/file/96472229513.pdf
- http://achilleferolla.it/userfiles/files/82577154479.pdf
- http://surmounttravel.com/userfiles/files/rinisivu.pdf
- http://simsvizag.com/contentimages/file/38381593060.pdf
- http://alacarte-husum.de/userfiles/file/22267211072.pdf
- http://ketphatthinh.vn/upload/files/fikeriwupidudusalukivarol.pdf
- http://asztalosweb.hu/userfiles/file/15482523330.pdf
- http://medtravel.pro/images/hand_uploaded/files/82083095650.pdf
- http://www.horakgolf.cz/ckfinder/userfiles/files/31086764687.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1xuhb7AK25c/uplcv?utm_term=workout+master+game
- 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_off0000ded2.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDED2 | 16792 bytes |
font_01_sfnt_off0000f6e9.bin2025c5807d84118cbfcf9f946236c1b42a92c9803d7575eb0cb1c8d5870c9a4e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF6E9 | 10392 bytes |
font_02_sfnt_off00010e8a.bin2d01170229b46e4772fa6435146fd7f52fb54dec7aff7e358c2477ec9ccdeac0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10E8A | 17692 bytes |
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