MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was identified as malicious by ML classifiers and ClamAV, specifically flagged as a phishing trojan. It contains numerous embedded URLs, many of which point to compromised websites or disposable hosting, suggesting a link farm designed to manipulate search engine results or direct users to malicious content. The presence of multiple compromised CMS upload links further supports a malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9952
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 http://www.jysunshine-hotel.com/up_files/file/12706052326.pdf In PDF document text
- https://systematix.pl/userfiles/file/17240297073.pdfIn PDF document text
- http://lacasedescaraibes.fr/file/28046026787.pdfIn PDF document text
- http://nek.ua/wp-content/plugins/formcraft/file-upload/server/content/files/161321a2f0019c---99825421743.pdfIn PDF document text
- http://www.dean-cpa.com/files/adminpic/file/palobemu.pdfIn PDF document text
- https://bentzendesign.se/wp-content/plugins/formcraft/file-upload/server/content/files/161408455d13c9---zaxanovotera.pdfIn PDF document text
- https://fenixfalt.com/userfiles/file/2516379338.pdfIn PDF document text
- http://ntvietnga.com/upload/files/41913856937.pdfIn PDF document text
- http://inbjnews.com/data/cheditor/0603/files/gekakukezu.pdfIn PDF document text
- https://5of7edwardstreet.com/assets/media/files/78771401184.pdfIn PDF document text
- http://ziva-muzika.cz/files/file/75924935834.pdfIn PDF document text
- http://turksebruiloften.nl/userfiles/file/fasomevamub.pdfIn PDF document text
- http://grgct.com/ckfinder/userfiles/files/gavoxopeluziguvesamen.pdfIn PDF document text
- http://casaperugia.fr/userfiles/file/96066449400.pdfIn PDF document text
- http://www.psstrecno.sk/wp-content/plugins/formcraft/file-upload/server/content/files/161381e9d14361---79578163673.pdfIn PDF document text
- http://gibisch.info/files/files/19689602748.pdfIn PDF document text
- http://ser-buk.com/userfiles/file/4469794225.pdfIn PDF document text
- https://communeouchamps.fr/userfiles/file/46235832214.pdfIn PDF document text
- http://tincorner.vn/uploads/files/24159014945.pdfIn PDF document text
- http://cathugo-yachts.de/res/wysiwyg/file/83612635556.pdfIn PDF document text
- http://portalcom-b2b.es/img/user//file/_0483749001631535832.pdfIn PDF document text
- https://monarchwinemerchants.com/wp-content/plugins/super-forms/uploads/php/files/1293f7f1b389ff73fd45373b89addf50/53127942135.pdfIn PDF document text
- http://gaudi.tw/upload/file/51058279560.pdfIn PDF document text
- https://btsis.com/upload/ckfinder/files/wagawok.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/DOqCt-cVA4I/uplcv?utm_term=anjana+indian+idol+junior+2013PDF 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_off0000af10.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAF10 | 14196 bytes |
SHA-256: 18ed32df5b491044dd333702a9e627b4a1b7e043f611b5b0d751fed5a8b0c08f |
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font_01_sfnt_off0000d2f7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD2F7 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000eb0e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB0E | 10520 bytes |
SHA-256: db40d66ec8755e9e24b1e7049e2a38d3766cca4eeeb34188e961b31ea1bbe6e3 |
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