MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded URLs, many of which point to compromised websites or disposable domains, indicating a link farm designed to distribute malicious content or phish users. The ML classifier and ClamAV detection strongly support its malicious nature, with the latter identifying it as a phishing trojan.
Machine Learning
- Nyx PDF Classifier malicious score 0.9980
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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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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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://memo-log.com/userfiles/file/59194828882.pdf In PDF document text
- https://newcar-rental.com/uploads/files/202109051020388053.pdfIn PDF document text
- https://habibitours.com/ckfinder/userfiles/files/saxigizasokiniboj.pdfIn PDF document text
- http://bsp-plovdiv.org/ckfinder/userfiles/files/85941487862.pdfIn PDF document text
- https://viettrungson.com/media/Files/68707608359.pdfIn PDF document text
- http://xn----7sbabaajmdfbk3ddf3azka3b6a2r.xn--p1ai/ckfinder/userfiles/files/kegemazomez.pdfIn PDF document text
- http://www.linkkorea.co.kr/wp-content/plugins/formcraft/file-upload/server/content/files/16130612942994---91747569058.pdfIn PDF document text
- http://bekkercoon.ru/ckfinder/userfiles/files/77155917925.pdfIn PDF document text
- http://standartbio.com/fckfiles/file/32457453189.pdfIn PDF document text
- http://zoncmswebsitebeheer.nl/files/editor/file/bubuvijigepodosigovezuxa.pdfIn PDF document text
- https://divanich96.ru/admin/ckfinder/userfiles/files/nubobunubarix.pdfIn PDF document text
- https://earthchartercities.org/wp-content/plugins/formcraft/file-upload/server/content/files/1613fdddbf1e0b---12101265899.pdfIn PDF document text
- http://domplus.su/userfiles/files/gajibufukokuzenezolaxu.pdfIn PDF document text
- http://kxzyjy.com/CKEdit/upload/files/fefekotebosunopawefaxiwug.pdfIn PDF document text
- http://akbarestate.com/survey/userfiles/files/18541912138.pdfIn PDF document text
- http://mastrodibaglio.it/userfiles/files/70687998958.pdfIn PDF document text
- http://ednak.com/wp-content/plugins/formcraft/file-upload/server/content/files/161395989b5cb3---44060913110.pdfIn PDF document text
- https://optical-axis.com/uploads/files/202109100743579979.pdfIn PDF document text
- https://vibingvibes.com/userfiles/files/34995916012.pdfIn PDF document text
- https://marathonroller.com/userfiles/files/84731438229.pdfIn PDF document text
- https://apskarota.org/userfiles/file/67031017917.pdfIn PDF document text
- https://ms2oke.com/contents/files/94681063572.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/S30rS-6n6vg/uplcv?utm_term=android+code+snippetsPDF 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_off0000ecc5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xECC5 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off000104dc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x104DC | 10280 bytes |
SHA-256: afb14346517239f503f0f09d6cbbd0a32622bd906abb92c71867de4d03e12e0d |
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font_02_sfnt_off00011c1b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11C1B | 18780 bytes |
SHA-256: 3f3dd0704a21853a9beffd5e48a2192e30d002ea0001b01ceb7e4ecd60709019 |
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