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 links to external resources, many hosted on disposable or compromised domains, indicating a link farm designed to distribute malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or malware delivery via these external links.
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 http://haiqi-machine.com/d/files/71169930706.pdf In PDF document text
- http://gaudi.tw/upload/file/71339938710.pdfIn PDF document text
- https://marbletreasures.com/uploads/image/files/vonoluge.pdfIn PDF document text
- http://zhymwz.com/upfile/file/16940092424.pdfIn PDF document text
- https://mumegram.com/userfiles/file/duvozob.pdfIn PDF document text
- https://www.horisunmauritius.com/wp-content/plugins/super-forms/uploads/php/files/4f5abb602f07a238f754a37d87621230/77521415884.pdfIn PDF document text
- http://plymouth-logs.co.uk/ckfinder/userfiles/files/tufinovejosovobow.pdfIn PDF document text
- http://veraschwemmle.de/fckdata/file/83413710025.pdfIn PDF document text
- https://namastehealth.in/wp-content/plugins/super-forms/uploads/php/files/2tv93dpcuoiegltbmpsbtjilel/47042256028.pdfIn PDF document text
- http://yournamebadges.com/withyourdog/cms_uploads/file/vusus.pdfIn PDF document text
- http://demo-enriquemora.shopcloud.es/ckfinder/userfiles/files/kikilodorozamewexadit.pdfIn PDF document text
- http://soupworld.de/upload/file/77802058961.pdfIn PDF document text
- https://primer-spb.ru/files/files/14460163419.pdfIn PDF document text
- http://ilink.pl/userfiles/file/nuvevorexuwibuxisopezujo.pdfIn PDF document text
- https://swotin.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613ba650f2a57---71204494506.pdfIn PDF document text
- https://ceadersvalet.com/wp-content/plugins/formcraft/file-upload/server/content/files/16138a95c8dc04---sulimidapudufe.pdfIn PDF document text
- http://roland-toys.eu/userfiles/file/fisevokalo.pdfIn PDF document text
- https://holocaustresearch.pl/nowy/photo/file/pixeselizezaguzalusu.pdfIn PDF document text
- https://alexandrapanayotou.com/web/images/static/file/31935268800.pdfIn PDF document text
- http://rassadaspb.com/new/files/file/20180787948.pdfIn PDF document text
- https://socialacademy.gr/wp-content/plugins/super-forms/uploads/php/files/cee7ad63bfb52def6d54acb822c712f4/rikotogixizimol.pdfIn PDF document text
- http://xn--80aab8aioy.xn--p1ai/userfiles/file/wiluwafotuxitawekituzu.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/PmAiG5ZyT-k/uplcv?utm_term=universal+remote+app+apkPDF 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_off0000d1ca.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD1CA | 17244 bytes |
SHA-256: f1ea36c7c618a1d7db17a6ac40b4603c6d5cf8c9e69c64aef170b211d47466a0 |
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font_01_sfnt_off0000fe4c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFE4C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011663.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11663 | 10580 bytes |
SHA-256: a5d79ace6f6229b8da98e65a85258faea9b06ba3c58463ac9bcd0d487010d312 |
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