MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous external URIs, indicating malicious intent. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' strongly suggests the document is designed to redirect users to a large number of potentially malicious sites. ClamAV detection further confirms its malicious nature, classifying it as a phishing trojan.
Machine Learning
- Nyx PDF Classifier malicious score 0.5084
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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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External URI info PDF_URIPDF contains an external URL action
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PDF differential parser failed info PDF_DIFFERENTIAL_PARSE_FAILEDThe cross-check parser (pdfminer.six) failed on this file: PDF differential parser failed: PDFSyntaxError. Static heuristics still ran and any of their findings above are valid; only the differential cross-check signal is missing.
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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://crewmak.ru/uplcv?utm_term=qr+code+reader+web+browser PDF link annotation
- http://preiswerte-unterkunft-papenburg.de/mediapool/fitebufula.pdfIn PDF document text
- https://predial-rua-nova.pt/056-CovadaLua/images-editor/file/86536334220.pdfIn PDF document text
- http://alessandrobelleseveterinario.eu/userfiles/files/69208004928.pdfIn PDF document text
- https://greshamgilessalon.com/wp-content/plugins/super-forms/uploads/php/files/ca06c13c08d6a35885e7486b8a15d0f7/logalasalofo.pdfIn PDF document text
- http://tainghe.vn/userfiles/file/kizuropifuk.pdfIn PDF document text
- http://ivankrivanek.com/userfiles/file/mogek.pdfIn PDF document text
- http://lagrupacio.cat/file/gozilomifipiwuvoku.pdfIn PDF document text
- http://www.css-jp.com/upfile/files/2021/09/17/luketewud.pdfIn PDF document text
- http://allineers.morefriendship.com/upload/files/80093366780.pdfIn PDF document text
- http://iamsoldierfit.com/wp-content/plugins/formcraft/file-upload/server/content/files/161456070a4d10---giwetugibavibawijoluxejin.pdfIn PDF document text
- http://dui-antidote.net/images/userfiles/file/54242553908.pdfIn PDF document text
- https://congthuonghotel.vn/app/webroot/files/images/pages/files/porudobivupeg.pdfIn PDF document text
- https://picinterior.com/ckfinder/userfiles/files/72493090151.pdfIn PDF document text
- https://majubesar.info/contents/files/57864740535.pdfIn PDF document text
- http://noospc.ru/SITE/files/editor/file/vunaxuloruli.pdfIn PDF document text
- https://kermiradiatoriai.lt/images/files/99618459239.pdfIn PDF document text
- https://smartmedia.ro/app/webroot/files/userfiles/files/dijuvuzemibuwewele.pdfIn PDF document text
- http://langmoon.jp/js/upload/files/92441511294.pdfIn PDF document text
- http://www.juniorcollege.cl/ckfinder/userfiles/files/2145417317.pdfIn PDF document text
- http://mayinmaunhat.com/upload/files/33137535993.pdfIn PDF document text
- https://widepolymers.com/userfiles/file/93173889485.pdfIn PDF document text
- http://presssimayeshahr.ir/pic/file/59779318460.pdfIn PDF document text
- http://www.bc-arman.kz/ckfinder/userfiles/files/gujari.pdfIn PDF document text
- http://okcashbagusa.com/uploads/files/pikiru.pdfIn PDF document text
- http://www.ocptecnology.com/admin/uploaded/fck/file/tapamofajomivukimej.pdfIn PDF document text
- http://xn--80aatg4aaaddkhfhbf3evf.xn--p1ai/ckfinder/userfiles/files/29195522080.pdfIn 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_off0000dc01.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDC01 | 10308 bytes |
SHA-256: ac58c636bbfa40c4a9f8cbd6b774698c91db072b348c9df155ea8bcc8fc84662 |
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font_01_sfnt_off0000f37c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF37C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010b8e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10B8E | 17860 bytes |
SHA-256: ea3f51b30335fd822780d006bf96014a4b93c24acea70bbb55b5b8d80449fbe8 |
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