MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was flagged by ClamAV as 'Pdf.Phishing.Trojan' and a machine learning classifier indicated a high probability of maliciousness. Heuristics identified the document as a link farm, with numerous URLs pointing to compromised CMS uploads and disposable hosting, suggesting an attempt to redirect users to malicious sites. The presence of multiple unknown URLs indicates a likely phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9860
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://www.mclarenpress.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609e38ba328f3---38178043583.pdf
- https://laneopx.com/wp-content/plugins/formcraft/file-upload/server/content/files/160baafe90c15d---dibuliwizitipikopinewe.pdf
- https://alakharia.com/public_html/userfiles/file/pawegotunenod.pdf
- https://kibledergisi.net/resimler/files/nelibikifikateber.pdf
- https://munord.com/wp-content/plugins/super-forms/uploads/php/files/68ea75fa1703b88a65562a07e21daa0f/22753043138.pdf
- https://mygamedaysports.com/wp-content/plugins/super-forms/uploads/php/files/cef9c1f19e71aa05ddd91247e64e4bc7/wugiwederekakigijeduxana.pdf
- https://acethamessecurity.co.uk/wp-content/plugins/super-forms/uploads/php/files/6261d2183488c7c268b39edc69ac7b1b/9204854746.pdf
- http://longarmacademy.net/fckeditor/userfiles/file/28532681136.pdf
- http://alda.pl/ckfinder/userfiles/files/vojixefe.pdf
- http://murasakijr.com/uploads/files/wugok.pdf
- http://alkanboya.com/files/file///mudividuneja.pdf
- http://driscollandgibson.com/images/edit_images/file/9195162364.pdf
- http://kengosushionlineorder.com/uploads/files/69276059991.pdf
- http://szpk.hu/_user/file/jelesiwutaf.pdf
- https://personalloan2u.com/wp-content/plugins/super-forms/uploads/php/files/1a8ed6bb12626217c0285926aa6429b7/zozobizokogezepirip.pdf
- https://anzmrrn.org/wp-content/plugins/formcraft/file-upload/server/content/files/1607f89073a033---82329821544.pdf
- https://graffitipaintstudio.com/wp-content/plugins/super-forms/uploads/php/files/15f3ee65d28637dc5de8b2e3f75b9abf/dajulexa.pdf
- http://unicaconsultoriarh.com/images/files/62279717819.pdf
- http://pulsrmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c56a7823f65---51106392894.pdf
- http://dioceseofniranam.org/userfiles/file/80591993476.pdf
- https://www.ergunaygoren.com/wp-content/plugins/formcraft/file-upload/server/content/files/16070188055b58---11097735901.pdf
- https://www.simcoerecovery.net/wp-content/plugins/super-forms/uploads/php/files/8cv7fcp70mk03l5df58n7dno74/69403278576.pdf
- http://www.moteco.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160a33bd0a9763---12126364300.pdf
- https://polinagerz.ru/wp-content/plugins/super-forms/uploads/php/files/3v2oq7i89lktnee61oaoj5tomd/1936253438.pdf
- https://alismobile.co.uk/wp-content/plugins/super-forms/uploads/php/files/7f692fbc6af3e38cd5947c07891883f6/veseduvalasaga.pdf
- https://alphacleanwashing.com/wp-content/plugins/super-forms/uploads/php/files/8f78903816fb935c8094936ee9895f8b/85443952564.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/YTWXjIUwRh0/uplcv?utm_term=harry+styles+and+hailee+steinfeld
- 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_off0000ea60.bin4fa8ded4f98efc14d1cb3ef9f93d245bfa920d72070afe25cfc412bafc2f12b6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA60 | 16808 bytes |
font_01_sfnt_off0001160a.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1160A | 16792 bytes |
font_02_sfnt_off00012e21.bin6a701e8fadf0f370133272afba6256030e1ccdb205a3a0e4820dbc1da54b6bb8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12E21 | 10436 bytes |
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