MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The ML classifier and ClamAV detection strongly indicate malicious intent. The PDF contains numerous links to external websites, many hosted on compromised CMS platforms, suggesting a link farm designed to redirect users to malicious content. While no scripts were explicitly extracted, the PDF structure and link farm heuristics point towards a phishing or malware distribution attempt, likely initiated via spearphishing.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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://holzhaus-suedtirol.it/wp-content/plugins/formcraft/file-upload/server/content/files/1607e368c167c5---korarasakijopodajagiza.pdf
- http://cmtsport.com/pliki/74339230883.pdf
- https://www.femregenx.co.za/wp-content/plugins/super-forms/uploads/php/files/75tplskdacbf7tml8envq427pj/43103341031.pdf
- https://idfusionllc.com/wp-content/plugins/super-forms/uploads/php/files/7411df251138cadfd8167537327759b6/nededumajixefifanubegi.pdf
- https://elitteaccesorios.com/wp-content/plugins/super-forms/uploads/php/files/p9bgm01n5si7oln7r0eutnp8h6/71614319691.pdf
- http://kuhomania.ru/ckfinder/userfiles/files/3494856092.pdf
- http://davidhammerstein.org/userfiles/file/zazelejamixekuda.pdf
- https://choiceenergynetwork.com/wp-content/plugins/super-forms/uploads/php/files/1f975d998b2af6a5eea183f36e8a147b/kenakubibosajatekuzuxasoj.pdf
- https://lisacutler.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c0a343b300c---41690374764.pdf
- http://ks4073.com/file_media/file_image/file/noretizubuminowonu.pdf
- https://www.expoagrogto.com/wp-content/plugins/super-forms/uploads/php/files/57v4ouqvv9kslbkdjqi0f2gr96/12835512417.pdf
- https://mavismanagement.com/wp-content/plugins/formcraft/file-upload/server/content/files/16093f67ce2818---51402002648.pdf
- https://desertflying.club/wp-content/plugins/formcraft/file-upload/server/content/files/16088a204f27ea---domojaxoxukigaw.pdf
- http://localhomesales.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16072e5fa4f544---67139210712.pdf
- https://europeancustomtailor.com/wp-content/plugins/super-forms/uploads/php/files/72b0ae2a50a05d899d97587d80135336/bidobonediz.pdf
- https://gearforfree.com/wp-content/plugins/super-forms/uploads/php/files/02foo42ulhsqh9jbdeo1dqb80o/jolekedozosekenixaxoda.pdf
- http://arniestribu.com/campannas/file/44937381534.pdf
- https://www.pal-kont.hu/wp-content/plugins/super-forms/uploads/php/files/21d53324d72a3942b905f56040155c8c/nifamupifubaz.pdf
- https://ms01bet.net/contents//files/16586805440.pdf
- http://moveisgarciadigital.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16086978dd4f2a---wiravabiruguposuxetetivo.pdf
- https://argumentua.com/i/file/7531975206.pdf
- https://www.karenlovelee.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a97e97b1bb8---nujujozadatug.pdf
- https://monarchwinemerchants.com/wp-content/plugins/super-forms/uploads/php/files/969dec4fd4170b60431c502e93073234/79989479446.pdf
- http://benevolo.it/userfiles/files/makedesusejubewep.pdf
- https://arenda1s.ru/wp-content/plugins/super-forms/uploads/php/files/976af7adfb51fc9fcee3c86f24bb5ca9/72505387600.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/fzgW7-mxBc0/uplcv?utm_term=engineering+design+with+solidworks+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_off0000e5a4.bin9cace95757c5f9aace6635a7154989b798d740680686b4d096f736e197fd22a6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE5A4 | 16832 bytes |
font_01_sfnt_off0001117f.binadf16a1159b467385d7d488638b0381f3226f35204e26f5287c730b92ce6f670 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1117F | 10776 bytes |
font_02_sfnt_off00012a0a.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12A0A | 16792 bytes |
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