MALICIOUS
146
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was flagged by ClamAV as Pdf.Phishing.Trojan and an ML classifier indicated a high probability of maliciousness. The heuristic 'SE_CALLBACK_LURE' strongly suggests a callback phishing or tech-support scam, where the user is prompted to call a number for a fabricated issue. While no scripts were extracted, the PDF structure and numerous embedded URLs point towards a phishing attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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 http://geologicatoscana.eu/userfiles/files/27035975065.pdf In PDF document text
- http://www.groupementpecheduloir.com/ckfinder/userfiles/files/86479087396.pdfIn PDF document text
- http://ageofwonders.buka.ru/sadm_files/xatikewomorolow.pdfIn PDF document text
- http://jjw-led.com/userfiles/file/sokurosojuvobununagezid.pdfIn PDF document text
- https://rpdev.org/ckfinder/userfiles/files/92552860882.pdfIn PDF document text
- http://chapelguild.com/images/usr/53713322774.pdfIn PDF document text
- https://styliststudios.com/imagesTE/file/vepovojapuzuvojepafufi.pdfIn PDF document text
- http://araulmor.tel-cor.com/images/library/file/xuxon.pdfIn PDF document text
- https://wonwon.taipei/photo/file/neteginub.pdfIn PDF document text
- https://repairbase.net/FCKeditor/editor/filemanager/connectors/php/images/file/rurupuwelul.pdfIn PDF document text
- http://zamdq.com/filespath/files/20211007003824.pdfIn PDF document text
- http://bibrka-school.org.ua/ckfinder/userfiles/files/vidavasivovijebizizo.pdfIn PDF document text
- http://eortak.com/img/fck_temp/file/25029949635.pdfIn PDF document text
- https://intrastorg.com/userfiles/file/dajajorizomijubeja.pdfIn PDF document text
- https://olgunbey.com/upload/ckfinder/files/67377345653.pdfIn PDF document text
- http://fields-on-earth.com/images/blog/file/26520546932.pdfIn PDF document text
- http://rowadhr.com/app/webroot/upload/files/53775235937.pdfIn PDF document text
- http://tjsyjdq.com/v15/Upload/file/2021911045363309.pdfIn PDF document text
- http://tainanrup.longi.tw/uploadfiles/files/20210915_150821_9289.pdfIn PDF document text
- https://booking-news.hkdnracing.com/webroot/editor-uploads/files/vukabagavuvisameguvigob.pdfIn PDF document text
- http://kerama.altrodesign.eu/ckfinder/userfiles/files/posemuluxirivelo.pdfIn PDF document text
- http://ore-processing.ru/d/files/65560393315.pdfIn PDF document text
- https://karate2.cdmedia.pl/userfiles/file/vuzevafepub.pdfIn PDF document text
- https://asp2.aiwangyun.com/ckfinder/userfiles/files/46361115744.pdfIn PDF document text
- https://easy2ticket.com/upload/files/63072703962.pdfIn PDF document text
- http://feedproxy.google.com/~r/MbOu/~3/KGDyd8lM0uI/uplcv?utm_term=compadres+near+mePDF link annotation
- 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_off0000bbcc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBBCC | 10348 bytes |
SHA-256: a3c75a4cbb3e07d96699a36bd6b1009980f615f34b71511472d8b0dc87eabb3c |
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font_01_sfnt_off0000d318.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD318 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000eb2a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB2A | 17256 bytes |
SHA-256: 48eb04fee2921bb30f48858978d2590c3d4e45929501c91b1e2bc527ab1ea7d6 |
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