MALICIOUS
146
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF is identified as malicious by ML classifiers and ClamAV, exhibiting characteristics of a phishing lure with an image overlay and an embedded clickable URI. The heuristic 'PDF_IMAGE_LURE' indicates a common tactic where a screenshot is used to hide an action trigger, directing users to external URLs. The presence of numerous external URIs, many on disposable hosting, further supports a malicious intent, likely to distribute further malware or conduct phishing.
Machine Learning
- Nyx PDF Classifier malicious score 0.9952
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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Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LUREPDF has 1 image(s), only 1 text block(s), carries a click-outward action, and is only 67 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
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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://cructi.ru/uplcv?utm_term=free+android+spyware+download PDF link annotation
- https://elsadaulte.com/ckfinder/userfiles/files/fodunolofuna.pdfIn PDF document text
- http://cachnhietcacham.vn/Images_upload/files/kamobawaliv.pdfIn PDF document text
- https://amgaa.org/temp/files/8054427967.pdfIn PDF document text
- https://www.coconutlodge.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613aa7374f135---88282789742.pdfIn PDF document text
- http://orthodoxnews.us/file/tutefu.pdfIn PDF document text
- http://paneldeconsos.com/userfiles/file/44433146255.pdfIn PDF document text
- https://office-agglo-larochelle.fr/userfiles/file/matarufavo.pdfIn PDF document text
- http://www.acefence.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614608ff0ffea---73477301971.pdfIn PDF document text
- https://nguyenhungstone.com/uploads/image/files/37364375403.pdfIn PDF document text
- https://sharenkon.com/files/tasidafaxugeb.pdfIn PDF document text
- http://solee.cn/ckfinder/userfiles/files/32211095250.pdfIn PDF document text
- http://cuacuonanbinh.com/userfiles/file/dagurosuw.pdfIn PDF document text
- http://columb-sklep.pl/userfiles/file/wefajonijugawaxi.pdfIn PDF document text
- http://naszemotyle.natura2000.pl/imgturysta/files/98096385294.pdfIn PDF document text
- https://dcicz.org/userfiles/file/maleperapubediteziw.pdfIn PDF document text
- https://iqrainternationalschool.org/_assets/files/logonifokuxuzotepojolo.pdfIn PDF document text
- http://anpharma.net/upload/files/17328860228.pdfIn PDF document text
- http://steelfurniturecn.com/d/files/83819547327.pdfIn PDF document text
- http://evolutionchonburi.com/userfiles/files/74072689607.pdfIn PDF document text
- https://peiitw.com/Upload/ckeditor/files/jupejaviwinozezud.pdfIn PDF document text
- http://russia-ex.com/images/blog/file/21253695008.pdfIn PDF document text
- https://qpshouse.com/upload/image/file/dotimezorabefon.pdfIn PDF document text
- http://fohow77.ru/upload/file/53445445870.pdfIn PDF document text
- http://mebelhotel.ru/userfiles/files/49866498010.pdfIn PDF document text
- 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_off0000ada6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xADA6 | 14540 bytes |
SHA-256: 92ad4e0d95e64b28490a1dbca84624b6a0746593b28b1a74965f4d54f37548bf |
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font_01_sfnt_off0000d201.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD201 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000ea18.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA18 | 10464 bytes |
SHA-256: 7506f7222c9a2efa88ce9344d1c9a3b3104ec78317425770cf3c5f7a95115855 |
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