MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs, many of which point to compromised CMS upload directories or are part of a link farm on disposable hosting. The primary function appears to be directing users to potentially malicious external sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
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://heryeryesil.com/resimlerfiles/webekalobugabok.pdf In PDF document text
- http://domexpo.ru/up/file/18728703357.pdfIn PDF document text
- http://artiguardia.pl/userfiles/file/viketuvakekifofobe.pdfIn PDF document text
- http://sameiroeventos.pt/ficheiros/66042276412.pdfIn PDF document text
- http://avandcie-energy.com/ckfinder/userfiles/files/98383491899.pdfIn PDF document text
- http://imhkayseri.com/resimler/files/fafivetufinixilelupip.pdfIn PDF document text
- https://dzido.pl/userfiles/file/xasewemakukuteligirini.pdfIn PDF document text
- http://www.orarestauratorisaf.it/wp-content/plugins/formcraft/file-upload/server/content/files/161693c0cee343---gugenuj.pdfIn PDF document text
- http://vanillasky-ch.com/images/files/pawenivagupo.pdfIn PDF document text
- https://bhiringisamsankalimandir.org/ckfinder/userfiles/files/gomudinebinojolivewizanux.pdfIn PDF document text
- https://www.sir.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1614993e5de30f---64030226529.pdfIn PDF document text
- http://murito.fr/ckfinder/userfiles/files/kagif.pdfIn PDF document text
- http://www.radio-kum.si/data/files/59298158289.pdfIn PDF document text
- http://sccsfz.org/upload/2021-09/mitulatazanetafonowoj.pdfIn PDF document text
- http://www.agrosystem.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/16158d55c6781b---xisixa.pdfIn PDF document text
- https://hse.tw/upload/file/xeromimejaxijosije.pdfIn PDF document text
- https://ovistar-dz.com/ckfinder/userfiles/files/28664002552.pdfIn PDF document text
- http://sportsclinicwest.ie/media/contents/file/dinagiwebopepanadogu.pdfIn PDF document text
- http://www.fattyweng.com.sg/wp-content/plugins/formcraft/file-upload/server/content/files/1613718ed2ad63---welakifujizasamorifid.pdfIn PDF document text
- http://petra-dario.info/upload/datoteke/57747043466.pdfIn PDF document text
- https://volpatoebrum.com.br/_common/admin/scripts/ckfinder/userfiles/files/58077792079.pdfIn PDF document text
- http://cowmoo.org/ckfinder/userfiles/files/50988795159.pdfIn PDF document text
- http://zpkprzemysl.pl/ckfinder/userfiles/files/38874953999.pdfIn PDF document text
- http://feedproxy.google.com/~r/Xvkpad/~3/Z3ufxtS7Wvw/uplcv?utm_term=draw+a+puddlePDF 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_off0000c413.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC413 | 9988 bytes |
SHA-256: a8acc9d9dc276ea726729dad42b731db706792442c46a680a0775bfbf376fd5d |
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font_01_sfnt_off0000da56.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDA56 | 16824 bytes |
SHA-256: 71c773e3356572ffdc6a2425fc879134da2d7269c5af691e9ba4d6d893548b9c |
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font_02_sfnt_off00010592.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10592 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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