MALICIOUS
146
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file is a PDF document identified as malicious by ClamAV and an ML classifier. It contains numerous embedded URLs and exhibits characteristics of a link farm, suggesting it is designed to redirect users to malicious sites. The 'SE_CALLBACK_LURE' heuristic indicates the document's content is likely a pretext for a callback phishing or tech-support scam, aiming to trick users into calling a fraudulent number. No scripts were extracted, but the presence of external URIs and the link farm behavior point towards a phishing or social engineering attack.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
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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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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Callback phishing phone lure medium SE_CALLBACK_LUREDocument asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
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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://coretry.ru/uplcv?utm_term=how+to+check+logs+in+android+studio PDF link annotation
- http://dinskayarealty.ru/media/file/23195836604.pdfIn PDF document text
- http://www.prodomasa.com/ckfinder/userfiles/files/44019973837.pdfIn PDF document text
- https://littleitalypizzany.com/nbloom/fckuploads/file/49441093991.pdfIn PDF document text
- http://nifaelectronics.com/userfiles/file/35333047934.pdfIn PDF document text
- http://hockjoohin.com/admin/uploads/file/59881747069.pdfIn PDF document text
- https://leanuslab.com/UserFiles/file/refikeponuge.pdfIn PDF document text
- http://synagoge-stommeln.de/ckfinder/userfiles/files/dezewexamavone.pdfIn PDF document text
- http://fibertechnique.com/tmp/file/genot.pdfIn PDF document text
- http://retrofotr.cz/files/file/42227261162.pdfIn PDF document text
- http://qianshunqs.com/admin/upload/kowurinadime.pdfIn PDF document text
- http://modelseafarm.com/kweb/ckfinder/userfiles/files/lajowuvawivopuko.pdfIn PDF document text
- https://emotionalgift.youngzonejewelry.com/ckfinder/userfiles/files/8395590878.pdfIn PDF document text
- https://supermagnum-bg.com/userfiles/file/53179067804.pdfIn PDF document text
- http://scard.vn/app/webroot/uploads/files/45786527759.pdfIn PDF document text
- http://bookblog.kr/data/file/files/tesefuwivepexovijaw.pdfIn PDF document text
- http://www.goataxiservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/16138cf71b04c0---nurerukesepumo.pdfIn PDF document text
- http://abwcoliseum.com/uploads/files/lofujonawopux.pdfIn PDF document text
- https://bitree.com/ckfinder/userfiles/files/55825968508.pdfIn PDF document text
- https://dollarplus98.com/images/upload/files/3298326912.pdfIn PDF document text
- http://ipvoicenj.com/wp-content/plugins/formcraft/file-upload/server/content/files/16138a3672a961---rumejekef.pdfIn PDF document text
- http://saringkarnwood.com/UserFiles/file/23467937180.pdfIn PDF document text
- https://beaszemin.com/files/8336360937.pdfIn PDF document text
- http://lamarchesainterita.be/lamarchesainterita/imgdb/news/files/52818074373.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_off0000c1a7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC1A7 | 10916 bytes |
SHA-256: b85c3123d3b667a195b94a0eb745abcc503bdb5c68af8ef57af9f2c25f4b7b2e |
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font_01_sfnt_off0000dabb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDABB | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f2cd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF2CD | 19768 bytes |
SHA-256: 91eac94274cfbf34a0641448c409fb3a3f6dbb736e4a6371e3da0a0d5f1218d1 |
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