MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The document contains numerous links, many pointing to compromised WordPress sites and disposable hosting, suggesting a link farm designed to redirect users to malicious content. The presence of external URIs and the overall structure point towards a phishing or malware distribution scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9949
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=study+material+for+class+10+social+science+pdf
- https://www.thecandystoresudbury.com/wp-content/plugins/super-forms/uploads/php/files/p789mh62e2l3hghuafj35hati7/pewitejem.pdf
- http://www.goataxiservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a988babfe93---lenoxokuwidemejene.pdf
- https://k9-warrior.com/wp-content/plugins/super-forms/uploads/php/files/3pdv7p6pf3ei8tc721dn5d3eil/13569052867.pdf
- https://akdenizokullari.k12.tr/wp-content/plugins/super-forms/uploads/php/files/7vjht9clg1jbv624glp4m39m03/jewepajoliwox.pdf
- https://activepymes.com/pub/file/difeduziw.pdf
- http://www.tokyomagic.jp/images/library/File/lewazufolifen.pdf
- https://fajanav.com/aym_image/files/60718052845.pdf
- http://saludocupacionalpso.com/home/wp-content/plugins/formcraft/file-upload/server/content/files/1607b40816a55c---niveriv.pdf
- https://gazelletr.com/userfiles/files/nevorifunolaxifawonud.pdf
- http://www.gaviprintpack.com/wp-content/plugins/formcraft/file-upload/server/content/files/16074a521ae43a---rupalerisopolakafem.pdf
- http://xn----otbb6ahq3d.xn--p1ai/ckfinder/userfiles/files/61822580439.pdf
- http://www.shipsupply.co.mz/wp-content/plugins/formcraft/file-upload/server/content/files/160a70495c7fd3---foxujezolopikawomejem.pdf
- http://pc75.net/upfiles/file/1624934225.pdf
- http://vizit-k.net/uploads/editor/files/47478811695.pdf
- http://aarogyamedico.com/userfiles/file/61354388084.pdf
- http://helloshoppingnepal.com/userfiles/file/buxasari.pdf
- http://aprendanow.com/wp-content/plugins/super-forms/uploads/php/files/71b20e96a03e5594b8f300e97a834593/44753136181.pdf
- https://www.phoenixdentalacademy.co.uk/wp-content/plugins/super-forms/uploads/php/files/9c6980cec50471596017035df8eb9146/85707142615.pdf
- http://aaaexpressac.com/userfiles/file/11540045695.pdf
- http://musorcentrum.hu/files/article/file/bipokajoxezix.pdf
- http://sva-jeanroze.com/xmedia/file/93682560137.pdf
- http://cbelmira.com/wp-content/plugins/super-forms/uploads/php/files/ng5j5obob18eaovifer03s0095/pamudokufe.pdf
- http://unipell.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16083f3224c3d6---rusudafuzoranonedujimovep.pdf
- http://www.realisthotel.com/wp-content/plugins/formcraft/file-upload/server/content/files/16081c694e25f5---fapuwebakixif.pdf
- http://constructionone.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1606fa9e55ddf4---88947191076.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_off0000dc41.bin5cc678bdf1e07e8621f6de8e7bf371bf8525857e5f346a8e1146ceba0db8607d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDC41 | 11244 bytes |
font_01_sfnt_off0000f6a5.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF6A5 | 16792 bytes |
font_02_sfnt_off00010eb7.bin36fd72db97e5c56fcf4490826dfb5f315076405ac1be8ce7615c62f44ae29935 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10EB7 | 16484 bytes |
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