MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by ML classifiers and ClamAV as malicious. It contains a link farm with numerous URLs, several of which point to compromised WordPress upload directories or disposable hosting, suggesting a phishing or malware distribution scheme. The document body is heavily obfuscated and appears to be generated by wkhtmltopdf, providing no direct user-facing content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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://razaviota.ir/basefile/razaviotair/files/117467940.pdf In PDF document text
- https://tfnd.org/wp-content/plugins/super-forms/uploads/php/files/507d2ca8db39c69a08628bd61d1db1fe/67870713339.pdfIn PDF document text
- http://www.zywawiara.pl/pliki/85202453253.pdfIn PDF document text
- https://www.verimevzabavu.cz/ckfinder/userfiles/files/24237342803.pdfIn PDF document text
- http://prestopc.it/upload/file/megoloxejoveputemum.pdfIn PDF document text
- http://bluebossa.pl/files/file/sawubenusapadikonogo.pdfIn PDF document text
- http://www.rebranded.tv/wp-content/plugins/formcraft/file-upload/server/content/files/16140a893c0434---nejesabuk.pdfIn PDF document text
- http://modern-pro.ru/files/file/vitutemukebotovoxole.pdfIn PDF document text
- https://estduquebec.com/scripts/php/xenocode/lib/ckfinder/userfiles/files/58928023115.pdfIn PDF document text
- http://magicfood-cn.com/files/20210901140041.pdfIn PDF document text
- http://inruho.ru/ckfinder/userfiles/files/31220158042.pdfIn PDF document text
- https://www.spoton.pet/wp-content/plugins/super-forms/uploads/php/files/4ejqevtn7ge0usiup6mc5pqpd7/76461608436.pdfIn PDF document text
- http://nceed.kr/pds/userfiles/files/defametijasaduzezeza.pdfIn PDF document text
- http://sportingclubalbinia.eu/userfiles/files/12375095714.pdfIn PDF document text
- http://iscelenie.info/files/file/32970589853.pdfIn PDF document text
- http://bebelino.ru/userfiles/file/tomewolojomijize.pdfIn PDF document text
- http://www.srijonihealinghome.com/fckimages/file/12203890946.pdfIn PDF document text
- https://tavcam.com/upload/ckfinder/files/30497216330.pdfIn PDF document text
- http://gzwep.com/img/file/202191462610.pdfIn PDF document text
- https://hitourkorea.com/FileData/ckfinder/files/20210912_2CBB9545DE4E6C2E.pdfIn PDF document text
- http://zhongjiukeji.com/upload_fck/file/2021-9-14/20210914102544790864.pdfIn PDF document text
- http://alacarte-husum.de/userfiles/file/14927344967.pdfIn PDF document text
- http://lookupagency.es/wp-content/plugins/formcraft/file-upload/server/content/files/16141f5af3e3e7---tovirafafibofawoj.pdfIn PDF document text
- https://pnlcoach.com/misc2/file/In PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/ngfLrbzwjls/uplcv?utm_term=menu+on+my+phonePDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000bfcc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBFCC | 16460 bytes |
SHA-256: 0f289de1b6b68640421fba72510c2b2feeda9d30eab37969fed634bb420414bb |
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font_01_sfnt_off0000ea20.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA20 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010237.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10237 | 10056 bytes |
SHA-256: cc1220fe9bc079225f23e6b688de61822dfa06785ceffdf8b77a28bb3ac640bb |
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