MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. Numerous heuristics indicate the document functions as a link farm, directing users to various external websites, some hosted on compromised CMS uploads. The embedded URLs, such as 'https://nomylo.ru/uplcv?utm_term=how+to+deactivate+windows+7+activation', likely serve as lures for phishing or to download further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9912
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 https://nomylo.ru/uplcv?utm_term=how+to+deactivate+windows+7+activation PDF link annotation
- http://tageedesign.com/ssmpt/documents/file/3878096160.pdfIn PDF document text
- http://friulanamarmi.it/images/file/72864689175.pdfIn PDF document text
- https://eclearusa.com/images/file/vamodowusuvox.pdfIn PDF document text
- http://instalater-macecek.cz/klienti/devel/sneznerolby.cz/ckfinder/userfiles/files/61769151837.pdfIn PDF document text
- http://xn--80aafmoni2biho.xn--p1ai/admin/ckfinder/userfiles/files/kobik.pdfIn PDF document text
- http://hunting.kg/userfiles/file/sukas.pdfIn PDF document text
- https://podiummagazinenews.com/ckfinder/userfiles/files/64812602531.pdfIn PDF document text
- https://amkboiler.com/wp-content/plugins/super-forms/uploads/php/files/uei46hfet79bbke77jnr7kg0nd/gejamapalifovuwi.pdfIn PDF document text
- http://spbi.cz/res/file/68396505344.pdfIn PDF document text
- https://www.jakketoes.be/ckfinder/userfiles/files/gajobomu.pdfIn PDF document text
- https://go2germany.ru/files/file/tafutajobuka.pdfIn PDF document text
- http://wsm.hk/images/files/83363644016.pdfIn PDF document text
- https://landatur.com/files/galeria/files/45756867235.pdfIn PDF document text
- http://www.onegelha.com/wp-content/plugins/super-forms/uploads/php/files/f361ebc336e2e00997ff5e5e96fe0588/38753631649.pdfIn PDF document text
- http://mebizstekla.ru/userfiles/file/66740964328.pdfIn PDF document text
- https://clubslotalmatriche.com/calcas/file/15468801156.pdfIn PDF document text
- http://ateliergermain.club/sites/default/files/file/gujeponatop.pdfIn PDF document text
- https://verlauf-ekb.ru/admin/ckfinder/userfiles/files/72566399112.pdfIn PDF document text
- http://www.pirac.org/wp-content/plugins/super-forms/uploads/php/files/cbf54665fde43404153bfb1abb78c9fe/butetifujij.pdfIn PDF document text
- http://tungalag.mn/userfiles/files/pujaxagam.pdfIn PDF document text
- http://cegled.varosom.hu/userfiles/files/99164821407.pdfIn PDF document text
- http://kingcraftviet.com/uploads/ckfinder/files/73452788223.pdfIn PDF document text
- http://swhos.com/upload/files/15667804692.pdfIn PDF document text
- http://discoveryenglish.org/wp-content/plugins/formcraft/file-upload/server/content/files/16141291987d82---73130168420.pdfIn PDF document text
- https://agrotehholding.ru/wp-content/plugins/super-forms/uploads/php/files/8897b331d20c41fed7561e956a066eab/49427030306.pdfIn PDF document text
- https://aquatrustfina.com/userfiles/file/3680290354.pdfIn PDF document text
- 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_off0000e104.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE104 | 17852 bytes |
SHA-256: 628280685fbd77fd9193bf06bff93004b2b35f0346900bc1cca9dacc10595601 |
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font_01_sfnt_off00010f6a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10F6A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012781.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12781 | 10408 bytes |
SHA-256: 1037c244a09e34ed2d7b3c96d8feb9a07bad333f900910bb67463f69a6aeae90 |
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