MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs and is flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. The heuristic 'SE_PASSWORD_ARCHIVE_LURE' suggests the document may instruct the user to open a password-protected archive, a common tactic to bypass gateway scanning. The presence of a link farm on disposable hosting further supports a malicious intent to distribute malware or phish users.
Machine Learning
- Nyx PDF Classifier malicious score 0.9958
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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Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LUREDocument gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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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://ketchas.ru/uplcv?utm_term=calculator+vault+gallery+lock+apk+download PDF link annotation
- http://canhtoanland.com/upload/files/fodavexajovon.pdfIn PDF document text
- http://tz5168.com/uploadfile/image/2021/09/13/file/20210913_005841_137.pdfIn PDF document text
- https://leanuslab.com/UserFiles/file/46852197421.pdfIn PDF document text
- http://madiagranitosilano.it/userfiles/files/gotoxurubajexawovinivaki.pdfIn PDF document text
- http://business-baltic.com/myfiles/dok/vufenetapenuxidu.pdfIn PDF document text
- https://akamercedes.com/images/uploads/files/40699418965.pdfIn PDF document text
- http://cmtdental.com/upload/ckimg/files/44932260997.pdfIn PDF document text
- http://hflbdq.com/uploads/file/11020543801.pdfIn PDF document text
- https://xn--49st2et51duvk.com/upload/files/25943973779.pdfIn PDF document text
- http://aurastaffing.es/upload/file/88336662277.pdfIn PDF document text
- https://fetogram.ir/images/upload/files/senadasemuvirurufizujawab.pdfIn PDF document text
- https://grandhotelushba.com/userfiles/file/58372696048.pdfIn PDF document text
- http://sxhk365.com/uploads/file///28194764553.pdfIn PDF document text
- http://avtrak.ru/ckfinder/userfiles/files/92650105281.pdfIn PDF document text
- https://paroles-vives.com/ckfinder/userfiles/files/27412895292.pdfIn PDF document text
- http://quantri.thaisonpalacehotel.com/upload/files/mimetogaliwaximirejerasog.pdfIn PDF document text
- https://vmwarts.com/ecovic/file/zimoberiwibu.pdfIn PDF document text
- https://amadesafar.ir/basefile/amadesafarir/files/57477265199.pdfIn PDF document text
- http://kocavietnam.com/upload/files/41649670533.pdfIn PDF document text
- https://lacgl.org/upload/editor/file/3886358642.pdfIn PDF document text
- http://careerhack.net/wp-content/plugins/formcraft/file-upload/server/content/files/1612f4d6819425---vunumidoziposudepileb.pdfIn PDF document text
- https://catbasailing.com/upload/fck/file/18035185011.pdfIn PDF document text
- http://www.a-fairys-choice.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613859905a63a---xudapofejebiminazefeja.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_off0000cf0b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCF0B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000e722.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE722 | 10916 bytes |
SHA-256: f85df3c3459ee61d049ba231ab15354ebbd06f98d055437bdc7f8d5858a11821 |
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font_02_sfnt_off0001007b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1007B | 17828 bytes |
SHA-256: a68e70ef5ac4e8be5dad66845fdcf357e4b6152ece7e0554ca9ae136cc3d3726 |
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