MALICIOUS
142
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The PDF contains numerous external links, many of which are hosted on disposable domains and appear to be part of a link farm designed to redirect users. One such link, 'https://chcial.ru/uplcv?utm_term=123movies+life+of+pi', suggests a lure related to pirated content, aiming to trick users into downloading further malicious files. The presence of multiple PDF-related heuristics further supports the malicious nature of the document.
Machine Learning
- Nyx PDF Classifier malicious score 0.9980
Heuristics 7
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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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Urgency / deadline lure low SE_URGENCY_LUREDocument contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://chcial.ru/uplcv?utm_term=123movies+life+of+pi PDF link annotation
- https://retta-bg.com/userfiles/75151981014.pdfIn PDF document text
- http://www.kocay.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1613d9a943c49c---28118835428.pdfIn PDF document text
- http://commandhousecreations.com/uploads/files/kumusimubemit.pdfIn PDF document text
- http://elcwma.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/burarujufarozojanifa.pdfIn PDF document text
- http://jca-t.com/fck_image/file/dapasalifixobesuxu.pdfIn PDF document text
- https://ribaczpeter.hu/files/file/54481764020.pdfIn PDF document text
- http://projecthouse.bg/uploads/CKfinder/files/foxunufavomekuwaserat.pdfIn PDF document text
- http://mrspk.com/ckfinder/userfiles/files/28163817232.pdfIn PDF document text
- http://bburago.info/admin/fckeditor/userfiles/file/97221102749.pdfIn PDF document text
- http://www.loockuniformes.com.br/home/wp-content/plugins/formcraft/file-upload/server/content/files/16141fc0559590---72252523781.pdfIn PDF document text
- https://ra7a7p-h3ba7.com/contents/files/dojiladu.pdfIn PDF document text
- http://kirilmazbardak.com/userfiles/file/besawefawosi.pdfIn PDF document text
- http://dreambeauty.kr/upload/fckeditor/file/90451118041.pdfIn PDF document text
- http://gcoekmr.org/cukashmir/User_Files/imagefile/lebipedomevo.pdfIn PDF document text
- http://printrun.nl/userfiles/files/xutidakavizapek.pdfIn PDF document text
- http://costanzolegal.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/3246555598.pdfIn PDF document text
- https://ddnepal.com/assets/userfiles/files/23490932278.pdfIn PDF document text
- https://matras-matrasych96.ru/admin/ckfinder/userfiles/files/sijuvulunopabovugi.pdfIn PDF document text
- https://motecx.com/images/file/41537976519.pdfIn PDF document text
- https://sandalyecenneti.com/wp-content/plugins/super-forms/uploads/php/files/7tqequ6qcuarve8lti6ok1m1dt/mofigabu.pdfIn PDF document text
- http://staractivecollection.com/resimler/site/files/nefafilekewexapofo.pdfIn PDF document text
- http://omegapizza.net/uploads/files/mejuxevofasositezitukojup.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_off0000be4e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBE4E | 20432 bytes |
SHA-256: 323c6a72289f86d082159d507ec87f0dc4c4e8cfe42d1594c48d9c0e8021faef |
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font_01_sfnt_off0000f294.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF294 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010aab.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10AAB | 10368 bytes |
SHA-256: 29c58000b18a825cb56d10b88c505369aa4385b3ced467c5ddbc55d5dcfbf79e |
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