MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous links, many pointing to PDFs hosted on potentially compromised WordPress sites or disposable domains, indicating a link farm or distribution mechanism. The presence of external URIs and link farm heuristics suggests an attempt to direct users to malicious content or for SEO spam.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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://eastindiaspray.com/suvra/eastindia_spray/files/watosop.pdf In PDF document text
- http://kwong-cheong.com/userfiles/pemesikasuwu.pdfIn PDF document text
- http://onlinepravenconsultant.com/uploads/wysiwyg/files/75996962408.pdfIn PDF document text
- https://alharithiforcameras.com/ckfinder/userfiles/files/43170040562.pdfIn PDF document text
- http://thekreativecompany.com/uploaded_files/userfiles/files/23085590004.pdfIn PDF document text
- http://bergfin.se/wp-content/plugins/formcraft/file-upload/server/content/files/1615428f0e1450---wobujusegutibitunubuzag.pdfIn PDF document text
- http://myflora888.com/ck_files/files/98947758903.pdfIn PDF document text
- http://kwik-it.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1613d1a2ea28ee---kaserorinidiw.pdfIn PDF document text
- http://www.ncstarim.com.tr/wp-content/plugins/super-forms/uploads/php/files/s08o295tp0f1lq8ogtp8dn8bv1/92767826027.pdfIn PDF document text
- http://pspectr.ru/userfiles/file/8669263072.pdfIn PDF document text
- https://gitteszoneklinik.dk/ckfinder/userfiles/files/40456609289.pdfIn PDF document text
- http://sloplast.com/userfiles/files/49399437604.pdfIn PDF document text
- http://www.la-rocca.pl/app/webroot/files/files/zamub.pdfIn PDF document text
- https://marksiegeldds.com/wp-content/plugins/super-forms/uploads/php/files/55c77986ef01cf970a8db17f78c13622/25949890046.pdfIn PDF document text
- http://ig-einheitsloks.de/medien/file/kuwadatokix.pdfIn PDF document text
- http://seoulmenu.com/uploads/files/subarojukejibapax.pdfIn PDF document text
- http://osullivanspressurewashing.com/wp-content/plugins/formcraft/file-upload/server/content/files/16133956cc0a57---11043681533.pdfIn PDF document text
- https://adtw1.elfjane.com/ckfinder/userfiles/files/98782441570.pdfIn PDF document text
- https://christianboudreau.com/wp-content/plugins/formcraft/file-upload/server/content/files/161369ddef084a---fetoboje.pdfIn PDF document text
- http://rjbmachinery.com/d/files/sifezixosav.pdfIn PDF document text
- https://objednavky.dortovapohotovost.cz/obrazky/files/8174155113.pdfIn PDF document text
- http://em-ail.ch/pictures/2/92110630639.pdfIn PDF document text
- http://xn--c1aejbdnke.xn--p1ai/admin/ckfinder/userfiles/files/45340860685.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/ngfLrbzwjls/uplcv?utm_term=learn+english+through+story+police+tv+level+0PDF 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_off0000b09d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB09D | 11012 bytes |
SHA-256: 442ed33e1e4268f21b760a1986530561e937ad65924c2c41a404f9813ec4a094 |
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font_01_sfnt_off0000ca2b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCA2B | 14376 bytes |
SHA-256: 95de2b4192d0a006c6ac7956f7ca80c3d79a22933a1111e32c77250b6d247b6e |
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font_02_sfnt_off0000ee08.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE08 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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