MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a large number of embedded URLs, many of which point to compromised WordPress sites or disposable hosting, indicating a link farm designed to distribute malicious content or phish users. ClamAV and ML classifiers strongly indicate maliciousness, and the structure suggests it's a lure for initial access via spearphishing.
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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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://mamo-tato.ro/userfiles/file/31489349180.pdf In PDF document text
- http://indianspringhomes.net/userfiles/files/35914298715.pdfIn PDF document text
- http://conditum.nl/userfiles/file/19180756535.pdfIn PDF document text
- http://techmechengineers.com/uploads/56768859653.pdfIn PDF document text
- https://ibrahimkoc.com/images/Media/files/81931487940.pdfIn PDF document text
- http://euroteam.vn/ckfinder/userfiles/files/tugejugedasudu.pdfIn PDF document text
- http://pomodorolennep.de/gfx/userfiles/files/49294483380.pdfIn PDF document text
- https://okinawa4d.com/contents/files/69450772794.pdfIn PDF document text
- http://abakus-routing.co.uk/ckfinder/userfiles/files/gasolulabalivemixivik.pdfIn PDF document text
- http://ancheng-medical.com/uploadfile/files/68036271205.pdfIn PDF document text
- http://beastyenergy.com/userfiles/file/sujiwusazopi.pdfIn PDF document text
- http://shanghaicruiseparty.com/uploads/file/nesukot.pdfIn PDF document text
- http://nhasachnguyenvancu.com/Images_upload/files/lemozuso.pdfIn PDF document text
- http://www.fred-robin.com/ckfinder/userfiles/files/wopenunisikoz.pdfIn PDF document text
- http://www.vinoplaza.nl/img/upload/files/zufowasabe.pdfIn PDF document text
- https://juniorclublivorno.com/sitonews/images_upload/files/wapex.pdfIn PDF document text
- https://f1com.ge/wp-content/plugins/super-forms/uploads/php/files/a5e28262818dfa2de98ff277925376ad/47624644156.pdfIn PDF document text
- http://aromaonly1.com/yamituki-n/uploads/files/21018325558.pdfIn PDF document text
- http://tuclubcr.com/campannas/file/rolepagowepap.pdfIn PDF document text
- http://bridgestone-ice-cruiser-7000.ru/ckfinder/userfiles/files/zoxibudojetowez.pdfIn PDF document text
- https://doanhnghiepvietnam.org/img_duhoc/files/69506121323.pdfIn PDF document text
- http://www.cascinasorigherio.it/wp-content/plugins/formcraft/file-upload/server/content/files/161410de65f969---kulukusazud.pdfIn PDF document text
- http://debseven.net/UserFiles/File/timin.pdfIn PDF document text
- https://www.ciabrini-immobilier.com/wp-content/plugins/super-forms/uploads/php/files/bclf7n788fhhogcalkpfq8ptdr/nawoj.pdfIn PDF document text
- http://redemaisfarma.com/userfiles/file/88610155910.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/cv9VXjIrmdE/uplcv?utm_term=death+run+fortnite+2021PDF 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_off0000b332.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB332 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000cb44.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCB44 | 15404 bytes |
SHA-256: 37534a2ecb554e829188c85c243951d59c5189ab93af0471d676054f8dff56fb |
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font_02_sfnt_off0000f1bf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF1BF | 10492 bytes |
SHA-256: d8225a4d3240a75a4c091f8f50cfca18d4b8187a3cd728d627a666ce80be5440 |
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