MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The sample was identified as malicious by a machine learning classifier and ClamAV, flagging it as a potential phishing or trojan PDF. Heuristics indicate it functions as a link farm, directing users to multiple disposable or compromised domains, which is a common tactic for phishing or malware distribution. The embedded URLs and the PDF's structure suggest an attempt to redirect users to external, potentially malicious, content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
Heuristics 6
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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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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://doellefjelde-mussemarked.dk/images/newsmail/file/sozifoxadezejumi.pdf In PDF document text
- http://www.canadiantreasurer.com/wp-content/plugins/formcraft/file-upload/server/content/files/16136efea7ef4c---towaramuwewo.pdfIn PDF document text
- https://kvgrup.com.ua/wp-content/plugins/formcraft/file-upload/server/content/files/161335e24c5448---xipegadixaronopajow.pdfIn PDF document text
- http://metrocars.london/survey/userfiles/files/doxametuvaf.pdfIn PDF document text
- http://dichvutheapec.com/upload/FCK/file/newutexesimela.pdfIn PDF document text
- http://talesma.com/E/file/xilik.pdfIn PDF document text
- http://cleanking.net/userData/board/file/feradiridaninilesawulupum.pdfIn PDF document text
- http://freewest.at/13793145316.pdfIn PDF document text
- http://okeefesreef.com/ckfinder/userfiles/files/51049145748.pdfIn PDF document text
- http://rewitex.pl/userfiles/file/71022837689.pdfIn PDF document text
- http://cicm2015.mist.ac.bd/app/webroot/ckfinder/userfiles/files/94739561959.pdfIn PDF document text
- https://laughteronlineuniversity.com/images/upload/files/81229128036.pdfIn PDF document text
- http://polimak.pl/userfiles/file/14087629495.pdfIn PDF document text
- https://baigiangtoanhoc.com/upload/files/36674484252.pdfIn PDF document text
- https://maintogelonline.info/contents/files/23875813686.pdfIn PDF document text
- http://adoriantarla.ro/wp-content/plugins/formcraft/file-upload/server/content/files/161334da63de83---45363294390.pdfIn PDF document text
- https://rrvchefs.com/wp-content/plugins/super-forms/uploads/php/files/56befa963c8a2e4da6ed3f8317fb4010/lokabasidexopijalap.pdfIn PDF document text
- http://www.pilartangguh.com/file/3380062854.pdfIn PDF document text
- http://hanabi-la.com/uploads/files/toxulezopekafenukokat.pdfIn PDF document text
- http://xn--o39a91gvwm83kbsn.com/FileData/ckfinder/files/20210907_F4E03D9A0577CDF5.pdfIn PDF document text
- https://nffcd.org/userfiles/files/91399490537.pdfIn PDF document text
- http://babyindex.nl/images/uploads/xavawabuvenozexaveme.pdfIn PDF document text
- http://parentini.it/userfiles/files/46679084430.pdfIn PDF document text
- http://danchrisjewelry.com/userfiles/file/lidam.pdfIn PDF document text
- http://poliinc.com/upload/files/turoxafetiserok.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/YTWXjIUwRh0/uplcv?utm_term=hypothyroidism+diet+plan+pdfPDF 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_off0000df17.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDF17 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f72e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF72E | 10868 bytes |
SHA-256: 24f604bda0de0aae7c1fddf45bef4773c14b6559ed5260cb1f22b9503e2cf071 |
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font_02_sfnt_off00011012.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11012 | 17724 bytes |
SHA-256: 04aca0a154363ce24d6f3bcb12b67ecd480324e0bc93b7b3b834dd36f45d7082 |
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