MALICIOUS
164
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 high likelihood of malicious intent. It contains embedded JavaScript and a significant number of external URIs, many of which are hosted on compromised or disposable domains, suggesting a link farm designed to redirect users to malicious content. The presence of embedded JavaScript points to its use in exploiting vulnerabilities or delivering further malicious payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
Heuristics 7
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://irlanc.ru/uplcv?utm_term=a+love+to+last+full+movie+online+free
- http://palaciodelosnavas.com/userfiles/file/pivuwopuzeviref.pdf
- http://xiangzhuan.tw/upload/files/16407882909.pdf
- https://www.kiemtoandongnghi.com/public/plugins/ckfinder/userfiles/files/tutemipuzage.pdf
- https://vocembalo.ch/userfiles/file/1232513391.pdf
- https://joebalogh.ro/imagini_ws/vafogujumemapofulasugijo.pdf
- http://www.expo-hotel.com/english/wp-content/plugins/formcraft/file-upload/server/content/files/161426ff403b01---baxikut.pdf
- https://www.temsilcisitesi.com/wp-content/plugins/formcraft/file-upload/server/content/files/16139560d5b855---jemuxozukivefebes.pdf
- http://www.iycadana.org/wp-content/plugins/super-forms/uploads/php/files/picm6o8r88avrvrcpmq5tg5e51/bojosolug.pdf
- http://medicaldistri.com/ckfinder_files/files/63799616908.pdf
- https://marathonblainville.com/userfiles/files/tubiwulanijib.pdf
- http://sbcnepal.com/images/file/11328526772.pdf
- https://www.padanguparduotuve.lt/ckfinder/userfiles/files/31249888617.pdf
- https://lisacutler.com/wp-content/plugins/formcraft/file-upload/server/content/files/161316637d52e8---72902723558.pdf
- http://otworz-biuro-podrozy.pl/userfiles/file/zetaxowifer.pdf
- http://ameshamagazine.com/js/upload/files/zamolitupobuvozebetojo.pdf
- https://promoxcenter.ro/ckfinder/userfiles/files/mupemagadiw.pdf
- http://iproperty.ae/userfiles/file/33341876207.pdf
- https://masterjobintl.com/ckfinder/userfiles/files/gosuvimomojutagugu.pdf
- http://elverum-revmatiker.no/images/file/busuzobe.pdf
- http://laiyi-art.com/userfiles/file/16097274168.pdf
- http://benetalent.com/upload/files/45773068823.pdf
- http://reklamavysocina.cz/UserFiles/File/pemepizifi.pdf
- http://caminodesantiagoenmoto.com/assets/ckfinder/core/connector/php/uploads/files/9685014779.pdf
- http://twgo8.com/uploads/base/files/202109152047237303.pdf
- https://lekkermooi.nl/userfiles/file/82197694718.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ef97.bin19d0aac0cd5479c10e15767ebde26ea61e3a2f769e4282cbe72a883745685e19 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF97 | 17528 bytes |
font_01_sfnt_off00011cee.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11CEE | 16792 bytes |
font_02_sfnt_off00013505.bincc8699a7c6b04aca393fdd8c865fe5cb224d34a315cf4b29ded1350f57e5c80c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13505 | 10524 bytes |
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