MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded URLs pointing to compromised websites and disposable hosting, indicative of a link farm designed to distribute malicious content or phish users. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or malware delivery via a spearphishing attachment. No scripts were extracted, but the structure and URL patterns are highly suspicious.
Machine Learning
- Nyx PDF Classifier malicious score 0.9948
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 http://karmand24.ir/basefile/ehotel724ir/files/mijugobakem.pdf
- http://rm-centr.ru/uploads/file/96486379670.pdf
- http://ainut.fi/userfiles/file/55697635079.pdf
- http://www.redactordecontenidos.eu/wp-content/plugins/formcraft/file-upload/server/content/files/16073ab5341c27---nixixe.pdf
- http://mbjarrahi.com/UploadedFiles/New/file/somisumuvuxujun.pdf
- https://fidelishospice.com/ckfinder/userfiles/files/97987455244.pdf
- http://finsura-lifedirect.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16074266aaa172---gejosujorajaroximos.pdf
- http://phuocthuan.vn/images/pic/file/rakobabunisazinokisudar.pdf
- https://shopabrang.com/images/files/87583094460.pdf
- http://josephpowellfamilyreunion.com/clients/0/04/04c15d356d3082020e114f8c0300f46e/File/51360808741.pdf
- https://scalper.ir/data/files/file/28549301797.pdf
- http://gingerwooddesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/16080ec2bc6cce---zowepifosepe.pdf
- https://funbugs.ie/userfiles/file/kitinozuvopajinevurebam.pdf
- http://ourdesign.hk/ckfinder/userfiles/files/godaso.pdf
- https://apoc.com.au/wp-content/plugins/super-forms/uploads/php/files/3909133c5c390ea10873d1198ccbfca4/tusigoganizaj.pdf
- https://hmjrgoldhockey.org/wp-content/plugins/super-forms/uploads/php/files/76b4368d1211f018a83b755d5f8d8be4/29541157229.pdf
- http://homeopathyhongkong.org/files/jogudiniz.pdf
- http://oldtimerclub-thueringerberg.at/images/file/54404753858.pdf
- https://www.kiteschule-kiel.de/wp-content/plugins/formcraft/file-upload/server/content/files/160d2d2734fe35---80149868660.pdf
- https://magatek.com/documents/file/vegetagisezobomajazavip.pdf
- https://calmoinc.com/upload/editor/file/judixewawakozita.pdf
- http://cosmickino.ru/sadm_files/fixilofukafup.pdf
- http://smithmurdock.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f0fccf30a0---zekabut.pdf
- https://mission4recruitment.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607483eb50be2---71388792299.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/BvfzZFkJO3s/uplcv?utm_term=assmann+psychrometer+manual
- 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_off0000c3ef.bin3a52b9ad87df3cea288e359ad6b753fe8c099c5d68ddbf466c92a4befa23082d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC3EF | 10740 bytes |
font_01_sfnt_off0000dc7d.bin194b2be870659028305c8e66ab2e711669b4cf3a0ace9ea2004f0fe454c2b193 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDC7D | 18680 bytes |
font_02_sfnt_off00010d2c.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10D2C | 16792 bytes |
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