MALICIOUS
146
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains an image lure and multiple external URIs, indicating a phishing or malware distribution attempt. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' suggests the PDF is part of a larger network of malicious links hosted on disposable domains. The ML classifier and ClamAV detection strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9957
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 0 text block(s), carries a click-outward action, and is only 68 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://smidgel.ru/uplcv?utm_term=android+application+development+book+pdf+free+download PDF link annotation
- https://agregadoschucuri.sinecsas.com/ckfinder/userfiles/files/1329291551.pdfIn PDF document text
- http://xn--3e0b556bhrbowi6undva.com/ckupload/files/24141958144.pdfIn PDF document text
- http://global-poseg.com/wp-content/plugins/formcraft/file-upload/server/content/files/16149e731686c0---14595040790.pdfIn PDF document text
- http://syarmarka.ru/userfiles/files/muxesuwuj.pdfIn PDF document text
- http://thaimassageboy.com/ckfinder/userfiles/files/juvukizitizosato.pdfIn PDF document text
- http://consade.com/userfiles/file/18085424343.pdfIn PDF document text
- https://zhansq.cn/upload/file/76124958574.pdfIn PDF document text
- http://blesk-stroy.ru/userfiles/files/60173676289.pdfIn PDF document text
- http://dytac.hk/userfiles/61461999043.pdfIn PDF document text
- http://jiji.pgo.tw/pic/uploads/files/71788554086.pdfIn PDF document text
- http://de-ko-gmbh.com/ckfinder/userfiles/files/futubowuropubulaniden.pdfIn PDF document text
- http://tpt.taipei/asset/uploads/files/mezibiwisidafekewelevuziw.pdfIn PDF document text
- https://davidfauquemberg.com/home/fauquemb/david/bbdg_site/userfiles/file/43451128701.pdfIn PDF document text
- https://adetexfoamgroup.centralcms.cloud/galeria/files/4215865275.pdfIn PDF document text
- http://1day2night.com/UserFiles/file/90680842796.pdfIn PDF document text
- https://farsiherbal.com/cache/fck_files/file/61217125239.pdfIn PDF document text
- http://mpu-beratung-brendle.de/userfiles/file/4317288421.pdfIn PDF document text
- https://selectwifi.com/wp-content/plugins/formcraft/file-upload/server/content/files/161473498bf8fa---32078353424.pdfIn PDF document text
- https://heyratacademy.ir/file/rikunirerinetubivinosijaz.pdfIn PDF document text
- http://www.moyekolodin.com/files/64622461097.pdfIn PDF document text
- https://fonixkoncert.hu/upload/file/dativodajumejono.pdfIn PDF document text
- http://classicalgardenfountains.com/uplds/file/89796718797.pdfIn PDF document text
- https://wolfgang-photography.com/userfiles/files/falodaka.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_off0000ada5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xADA5 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000c5b7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC5B7 | 14384 bytes |
SHA-256: 3e0285bdfab87b752e1117538a66d6d9421c9537767d56c21f3cc0fd7d9d1486 |
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font_02_sfnt_off0000e976.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE976 | 10980 bytes |
SHA-256: 4e2b4a201116b694323b181d36183136901b64237f432f4df018c801533456fe |
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