MALICIOUS
146
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF is identified as an image-only lure, typical of phishing campaigns, using a screenshot to mask a malicious redirect. The presence of numerous external URIs, including one pointing to 'cructi.ru', strongly suggests a phishing attempt to trick users into downloading potentially malicious content or visiting a compromised site. The ML classifier and ClamAV detection further corroborate its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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 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://cructi.ru/uplcv?utm_term=beauty+cam+free+download+for+android PDF link annotation
- http://nanumed.ro/uploads/files/kanizojada.pdfIn PDF document text
- http://supermarketdv.ru/files/file/12968129898.pdfIn PDF document text
- https://lamaisonducoeur.ca/upload/editor/file/zojasobizu.pdfIn PDF document text
- https://silky.ae/images/bulk_images/files/rawuvipizux.pdfIn PDF document text
- http://amy-tsai.com/images_express/userfiles/files/15498430364.pdfIn PDF document text
- http://www.workbythai.com/admin/assets/images/14360401622.pdfIn PDF document text
- https://strategieb2b.ca/userfiles/file/jowonekajikekexajisux.pdfIn PDF document text
- http://halongwave.com/userfiles/file/relakukowo.pdfIn PDF document text
- http://eros-arena.com/eros/userfiles/file/87096960377.pdfIn PDF document text
- https://mayphotocopydogia.com/upload/files/12871465705.pdfIn PDF document text
- https://listapp.in/ci/userfiles/files/65098786450.pdfIn PDF document text
- http://getsolarny.com/userfiles/file/gafirofo.pdfIn PDF document text
- http://taigesw.com/upload/files/89446263100.pdfIn PDF document text
- http://oroblupiscine.it/userfiles/files/78340601627.pdfIn PDF document text
- http://lienming-rubber.com/uploads/files/202109062136509810.pdfIn PDF document text
- https://habibitours.org/ckfinder/userfiles/files/tulewotu.pdfIn PDF document text
- http://leebyunghun.org/new/upload/board/files/rojadudo.pdfIn PDF document text
- https://ww150001.linebot.net/upfile/files/20210903153032.pdfIn PDF document text
- http://vinhthuan.vn/upload/files/fozizal.pdfIn PDF document text
- http://a-b-i-s.net/layout/bilder/file/54549802951.pdfIn PDF document text
- http://chornakorn-packing.com/ckfinder/userfiles/files/73627247646.pdfIn PDF document text
- http://themultifold.com/wp-content/plugins/super-forms/uploads/php/files/3p07vh8njd6qp7b61iqv3i5ou3/13979779227.pdfIn PDF document text
- http://wine-paraphernalia.com/files/winep/_repo/file/tizifud.pdfIn PDF document text
- http://studioferrato.it/userfiles/files/63293761831.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_off0000b1c0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB1C0 | 10824 bytes |
SHA-256: ff1760eb87c50d9a8ce7d754ddbce3d9966aeacc5dfca84b723fd4a5c09fef44 |
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font_01_sfnt_off0000cac4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCAC4 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000e2d6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE2D6 | 14204 bytes |
SHA-256: c9616083342d74bed4fef91c2b9fcc160399d91f6fd519e0f38c825d08a8586f |
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