MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by ML classifiers and ClamAV as malicious, indicating a high likelihood of malicious intent. Heuristics indicate the document functions as a link farm, directing users to multiple external URLs, some hosted on compromised CMS platforms. The presence of numerous links, including one pointing to a compromised WordPress upload, suggests an attempt to distribute malware or conduct phishing operations.
Machine Learning
- Nyx PDF Classifier malicious score 0.9968
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://areicon.com/images/file/zotufowapawigon.pdf In PDF document text
- https://jvlegacyhomerepairsmd.com/nbloom/fckuploads/file/70395438502.pdfIn PDF document text
- http://guidesdugrandlarge.fr/images/import/file/xotetoxafosumukinam.pdfIn PDF document text
- http://www.zywawiara.pl/pliki/58901054832.pdfIn PDF document text
- http://yoga-privates.com/yoga-privates/file/jawubilozirupi.pdfIn PDF document text
- http://thanhcongtechtra.com/upload/files/darodekedavesanowila.pdfIn PDF document text
- http://paymentsbusiness.ca/wp-content/plugins/formcraft/file-upload/server/content/files/161392fc352119---2004125862.pdfIn PDF document text
- https://98ing.com/upload/ck/files/20210909_052139.pdfIn PDF document text
- https://www.gml.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613c7a83d6bda---4566243160.pdfIn PDF document text
- http://ne-moloko.ee/wp-content/plugins/super-forms/uploads/php/files/19d193806d4c95fb325c6c7d8056ac0e/zizowo.pdfIn PDF document text
- https://nailseasupportgroup.com/wp-content/plugins/super-forms/uploads/php/files/1a50230f4fe41e5681c824e1336f7237/82547097259.pdfIn PDF document text
- https://mattress-leader.com/media/71086808183.pdfIn PDF document text
- https://canevastoilestjean.com/upload/editor/file/63027296116.pdfIn PDF document text
- http://daoltrading.com/userData/board/file/78971375984.pdfIn PDF document text
- https://highfieldhousehotel.net/nbloom/fckuploads/file/77070655813.pdfIn PDF document text
- https://almuhja.net/ckfinder/userfiles/files/kipevuzajibavorajeropori.pdfIn PDF document text
- https://tanvietnamdinh.com/uploads/files/87371074765.pdfIn PDF document text
- http://mas.vacations/wp-content/plugins/formcraft/file-upload/server/content/files/16147dae85b2d6---16479447505.pdfIn PDF document text
- http://fkm-lux.by/var/upload/file/46498366757.pdfIn PDF document text
- http://shijijiaming.cn/filespath/files/20210919082552.pdfIn PDF document text
- http://dietgame.net/admin/fckeditor/data/file/20210921065847.pdfIn PDF document text
- https://vsetinrally.cz/userfiles/file/88443011613.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/YTWXjIUwRh0/uplcv?utm_term=windows+7+home+premium+32+bit+downloadPDF 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_off0000d2b4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD2B4 | 17608 bytes |
SHA-256: d747fbf35fe715ec8b8abe6762cacffc698453bb889b65ab2b5940a088880a16 |
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font_01_sfnt_off0001008b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1008B | 11320 bytes |
SHA-256: d94f9cd1c845748eac86a1adc2cb72e526117fc4ccd8d9600a4576ea54c7afd8 |
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font_02_sfnt_off00011ae1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11AE1 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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