MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was identified as malicious by ML classifiers and ClamAV, indicating a phishing or trojan threat. It contains a link farm designed to redirect users, with one URL specifically mentioning a cheat application, suggesting a lure to entice downloads or further clicks. The presence of multiple external URIs and a compromised CMS upload link farm points towards a distribution mechanism for malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9992
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://spokoino.ru/i/upload/files/53119548808.pdf In PDF document text
- http://ad.ditroinfotech.com/laportal/ckeditor-ckfinder-integration/uploads/files/ziruzejanukumawazigakasuz.pdfIn PDF document text
- http://spy-military-labs.com/userfiles/file/36690583504.pdfIn PDF document text
- http://clairerolo.com/userfiles/file/73809580844.pdfIn PDF document text
- http://pietrek.com/MARCUS/files/file/movipusasejarinitimufen.pdfIn PDF document text
- https://secolink.sk/userfiles/file/70434440421.pdfIn PDF document text
- https://drahmetbostanci.com/wp-content/plugins/formcraft/file-upload/server/content/files/161344070effa2---26737111845.pdfIn PDF document text
- http://jiin-torng.com/uploadfiles/20210919075021.pdfIn PDF document text
- http://dienlanhlongan.com/upload/files/kozogabevoga.pdfIn PDF document text
- http://usaoxin.com/userfiles/2021-9/file/toxik.pdfIn PDF document text
- http://huerural.com/uploads/image/files/fexinidariseguzuzul.pdfIn PDF document text
- https://kudamatsu.org/userfiles/file/79497229605.pdfIn PDF document text
- https://postelezmasivu-praha.cz/ckfinder/userfiles/files/10663138528.pdfIn PDF document text
- http://tumwebthailand.com/ckfinder/userfiles/files/xinojibuja.pdfIn PDF document text
- http://happinessgown.com/upload/users/files/39961059125.pdfIn PDF document text
- http://daphongthuyhueminh.com/uploads/image/files/xagavuvurajewavag.pdfIn PDF document text
- https://mytutr.com/wp-content/plugins/super-forms/uploads/php/files/44248fcf3e65a1753ade4743777c7587/bixunizojaluwuj.pdfIn PDF document text
- http://interstroy96.ru/uploads/files/42897699985.pdfIn PDF document text
- https://stefandes.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613ae96f37e52---kuxizazejoxine.pdfIn PDF document text
- http://hublihorse.com/uploads/userfiles/files/75043906480.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/3CAf4wW3hvY/uplcv?utm_term=hungry+shark+world+cheat+apkPDF 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_off0000d315.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD315 | 16616 bytes |
SHA-256: 39b7d90817b48c133e51864c3183ad3f72ca2099e75b97bb176235d372713c8b |
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font_01_sfnt_off0000fe20.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFE20 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011637.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11637 | 11084 bytes |
SHA-256: 54de045cb73d62fda6c9e806188df2b25f2952d2e04af3cd70551594115ef34c |
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