MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics identified it as a link farm pointing to compromised CMS uploads and disposable hosting, suggesting a phishing or redirection scheme. Although no scripts were explicitly extracted, the PDF structure and embedded URLs are indicative of a spearphishing attachment designed to lure users to external sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
Heuristics 7
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://vitali-schulz-eiskunstlaufen.de/userfiles/files/rosunonopuzekuz.pdf In PDF document text
- http://luckyassessoria.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160d5f339b5e3d---metib.pdfIn PDF document text
- http://iowatriallawyer.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/6328280064.pdfIn PDF document text
- http://floral-design-lindgens.de/userfiles/file/fosuvadejegowujeme.pdfIn PDF document text
- https://dentinale.eu/wp-content/plugins/super-forms/uploads/php/files/c15a20f4d783c0c34ef282b7ed6f03cc/nevolutuno.pdfIn PDF document text
- http://www.marsagri.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bd3c217382b---37010249027.pdfIn PDF document text
- https://sunarchegypt.com/userfiles/file/34931174989.pdfIn PDF document text
- http://bellezaeimagen.com.mx/wp-content/plugins/formcraft/file-upload/server/content/files/160a32720f1546---zaxatawixezoboteri.pdfIn PDF document text
- http://18554080.com/userfiles/file/xotifikikafoju.pdfIn PDF document text
- http://clearlakesd.org/wp-content/plugins/formcraft/file-upload/server/content/files/1608fe5b593f78---nireseriwamol.pdfIn PDF document text
- http://futurepoolandspa.com/ckfinder/userfiles/files/55872910120.pdfIn PDF document text
- http://blog.crowdly.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a521ac5ad02---niwonefinutifuwin.pdfIn PDF document text
- http://alliance-ltd.com/userfiles/81061718520.pdfIn PDF document text
- http://www.britocunhaadvocacia.com.br/home/wp-content/plugins/formcraft/file-upload/server/content/files/16075386326d2d---92787932472.pdfIn PDF document text
- https://getlovebooks.com/wp-content/plugins/super-forms/uploads/php/files/90b0e5af58bcc86d31c6c588c533cc83/nesujigog.pdfIn PDF document text
- http://nemeckystrakac.sk/editor_uploads/files/jusifometaxabenosuvigim.pdfIn PDF document text
- http://adhdesign.de/userContent/files/20210620205315-22009701074.pdfIn PDF document text
- https://kamber.dk/wp-content/plugins/super-forms/uploads/php/files/36e581a578edcb423d4d98eefd8ff09f/94151902388.pdfIn PDF document text
- https://olivierdaulte.com/ckfinder/userfiles/files/todametudilasunosug.pdfIn PDF document text
- http://avsa.org/sites/default/files/images/files/94728653788.pdfIn PDF document text
- http://steclotildehorton.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160c3e42401ab6---6527224612.pdfIn PDF document text
- http://www.optionassurance.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160aaee86be447---81480280225.pdfIn PDF document text
- http://thuduchouse.vn/pics/file/tevebanuborixam.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/cv9VXjIrmdE/uplcv?utm_term=how+to+connect+hp+deskjet+2652+to+macbookPDF 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_off0000fd95.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD95 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off000115ac.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x115AC | 11400 bytes |
SHA-256: 4530701cd889d48c17e8f3e613ae3abf71d2c068215a34e7ebf555cc2ebd2452 |
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font_02_sfnt_off00013044.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13044 | 17524 bytes |
SHA-256: e60d801dd50f3ac0383007a8dff0cf0f7e1832a314ec7635b98a521a6a43385b |
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