MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous links to external websites, many hosted on compromised WordPress installations or disposable domains, indicating a link farm designed to distribute malicious content or phish users. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9978
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://drafthe.ru/uplcv?utm_term=ccna+1+chapter+4+exam+answers+pdf
- https://phuketwebstudio.com/ckfinder/userfiles/files/89215710734.pdf
- https://amalighting.com/wp-content/plugins/super-forms/uploads/php/files/bdaca2c1ae058c4e07807cf355f9dab7/tapidovagapemakofamoju.pdf
- https://oteaexpert.fr/cite_imgs/file/baseduxita.pdf
- https://frennphotography.com/wp-content/plugins/formcraft/file-upload/server/content/files/160751463d419d---xekidatimadibejemer.pdf
- https://cffcommunications.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1/1609de06b84a2d---dulebejilepujadab.pdf
- https://jxlmedu.com/file/files/20210713_215106.pdf
- http://www.sunaryem.com.tr/wp-content/plugins/super-forms/uploads/php/files/596qvond5rnjcal0dbbscfv3j3/50437127752.pdf
- https://samarpanbharat.org/trila/userfiles/file/87201031962.pdf
- https://tauthuy.vn/upload/files/52828374850.pdf
- https://kalyna.ua/sites/default/files/userfiles/file/2494340762.pdf
- https://hurghadalife.net/userfiles/files/jajumewab.pdf
- http://vizugy.hu/uploads/files/files/podafazowakajabixifo.pdf
- http://www.awakohchang.com/image/upload/File/efimitazeg.pdf
- https://lakeshoresmilesdentistry.com/wp-content/plugins/super-forms/uploads/php/files/7iic5fmg6grah8ldg6dasqcrs3/4021034116.pdf
- https://cutletsmeat.com/wp-content/plugins/formcraft/file-upload/server/content/files/16073d75241a4b---makotuwuruwepazopudole.pdf
- http://diagnosticaedilizia.com/userfiles/files/88476160051.pdf
- http://www.dnevi-sekretarjev.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160ff6b80c1f8a---woponiradamatuxan.pdf
- http://footstepfloor.com/upfiles/files/22932649591.pdf
- http://medicaldistri.com/ckfinder_files/files/16134551141.pdf
- http://aj-logistics.com/stock/userfiles/file/netovixubuxoxe.pdf
- http://hydrem.ru/images/file/7357973128.pdf
- http://asalsold.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f967a45dd66---lusumoroxitifok.pdf
- http://www.lavalledesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075974f8c724---30345941338.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d061.bin29bc94015e88122535c4b98e406e86223c229b835ec90802eee3c8e7b095d89a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD061 | 17628 bytes |
font_01_sfnt_off0000fe3c.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFE3C | 16792 bytes |
font_02_sfnt_off00011653.bin932276d69df61b1e04dc39d7d4148ee6f86ebc0c7468beb0c963daa671d34b5e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11653 | 10976 bytes |
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