MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was flagged by a machine learning classifier and ClamAV as malicious. It contains numerous embedded URLs pointing to external PDF files, suggesting a link farm or redirection mechanism. The PDF_SEO_DISPOSABLE_LINK_FARM heuristic indicates these links are likely part of a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
Heuristics 5
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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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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://sieuthimaynhapkhau.com/upload/files/jixinupexobepe.pdf In PDF document text
- http://wamaeassociates.com/images/uploads/originals/file/mumaposofedu.pdfIn PDF document text
- http://paliukenas.lt/i/File/84068031087.pdfIn PDF document text
- http://pate4me.com/userfiles/file/gabamajapax.pdfIn PDF document text
- https://nutricount.cz/UserFiles/File/juvekexaruf.pdfIn PDF document text
- https://geneolock.com/locktactyuma/userfiles/file/16968725238.pdfIn PDF document text
- https://die-elke.de/cms/elke_page_files/file/sagutemepipuzirudo.pdfIn PDF document text
- http://ambvetbrashersclavoghisu.eu/userfiles/files/rogakesabatifal.pdfIn PDF document text
- http://state-lithium.com/upload/files/gixusus.pdfIn PDF document text
- https://pabausa.org/wp-content/plugins/formcraft/file-upload/server/content/files/1613364a80fa89---54056535263.pdfIn PDF document text
- http://hueide.com/upload/files/xurexoni.pdfIn PDF document text
- http://gezond-trakteren.nl/kasteel-doornenburg-img/bestandenfile/zusazotasiravo.pdfIn PDF document text
- https://kindeeyudee.com/ck_files/files/fuzazuxavawi.pdfIn PDF document text
- https://banderlogclub.ru/Files/file/24023862929.pdfIn PDF document text
- http://sergeisurzhin.ru/ckfinder/userfiles/files/7197857850.pdfIn PDF document text
- http://www.pattyn360.com/upload/forum/files/33064125687.pdfIn PDF document text
- https://loyallcanada.net/editor_files/file/nubewapefoxafasoxakeguzu.pdfIn PDF document text
- http://tcsklife.com/filespath/files/20210912031935.pdfIn PDF document text
- https://ichapps.peaceofworld.com/ichapps/ckeditor-ckfinder-integration/uploads/files/82640701923.pdfIn PDF document text
- https://www.antoniopopolizio.it/ckfinder/userfiles/files/61816890686.pdfIn PDF document text
- http://novichiha.ru/pic/file/69438932507.pdfIn PDF document text
- https://pgp-puh.hr/fck_media/file/nebarenulejakew.pdfIn PDF document text
- http://tuning-zone.eu/userfiles/file/31368863733.pdfIn PDF document text
- http://annabarons.com/files/files/ribebisaxudalexineji.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3vuEKuznOb8/uplcv?utm_term=dokkan+battle+apkPDF 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_off0000d162.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD162 | 18460 bytes |
SHA-256: 2d015696211664013940f755f69e99c6ed7240c44f3a49498b2cd19f6291a589 |
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font_01_sfnt_off00010181.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10181 | 10120 bytes |
SHA-256: 41fdd14540c286d27af805dbbcd05f2a5fbae14161688b1af8a3880541926ce4 |
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font_02_sfnt_off00011802.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11802 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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