MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was identified as malicious by ML classifiers and ClamAV, specifically as a phishing trojan. It functions as a link farm, directing users to multiple compromised WordPress sites hosting further malicious PDFs. The URLs point to content hosted on various domains, suggesting a distributed infrastructure for delivering malicious payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9971
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://thriveelearning.com/wp-content/plugins/super-forms/uploads/php/files/ae4987eaac8523afca1d5f388fd6e023/87719994986.pdf
- https://janeunchained.com/wp-content/plugins/super-forms/uploads/php/files/5mqu62c9jdse23d84lud0pbomr/komimuwemen.pdf
- https://arizonapoolcontractor.com/wp-content/plugins/formcraft/file-upload/server/content/files/160be825576cd3---barijifilumesatefikusogix.pdf
- http://www.recetasyconsejos.com/wp-content/plugins/formcraft/file-upload/server/content/files/16083537dae332---setolajipifumakapekenigaf.pdf
- https://prana.video/wp-content/plugins/super-forms/uploads/php/files/u15heplqosb575u4u02apti7er/nafinexami.pdf
- https://ahreco.com/uploads/news_file/59289162773.pdf
- http://immodraft.nrw/images/architekten_agentur_images_/file/41398284737.pdf
- http://localhomesales.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1606fa8f946875---bufepuravodojina.pdf
- https://www.tessilgiada.it/wp-content/plugins/formcraft/file-upload/server/content/files/160abdf58cec14---jideravekas.pdf
- https://interesttour.com/wp-content/plugins/super-forms/uploads/php/files/b774a8a9eb8e473571c3dba85b264cf8/94539018829.pdf
- http://ilovemynewstemcells.com/clients/865932/File/vajisi.pdf
- http://lacyfamilyunity.com/clients/2/20/203fd950dafdada58ea32e7b96f0d147/File/60088192258.pdf
- http://global-insurance-broker.de/downloads/guwikunakeluriluzobibopi.pdf
- http://rajskiewakacje.pl/userfiles/file/mofuxanizefo.pdf
- https://telewebmarketing.com/FCKeditor/file/kulupawababu.pdf
- https://lightsourceindiana.com/wp-content/plugins/super-forms/uploads/php/files/0f06b6e391f9ef868a5e18fcc1ea272f/visulajowasub.pdf
- http://lifestyleufa.ru/wp-content/plugins/super-forms/uploads/php/files/27a6dd24e99a38d9e3664a92584200f6/mefigelurakidebarewo.pdf
- http://fashioncenterpoint.com/wp-content/plugins/super-forms/uploads/php/files/27932143d82e57efd13a59e8f472b919/vaxububudewazasa.pdf
- https://creationstationdance.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607ff6bb5377f---58782659833.pdf
- https://amthanhanhsangchinhhang.vn/upload/files/fuliwetodilidufawuwa.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/Om9ozkHLxGw/uplcv?utm_term=chemo+and+radiotherapy
- 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_off0001df44.bin4504ede4f360567a77091fc2be4a65495a102ba20d26fd708ca0190d3b974169 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1DF44 | 19220 bytes |
font_01_sfnt_off0002104c.bina6c6318da4f6509844f116e5de3321377bececdddbb2a4c52dcbfbe756c6f3d0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x2104C | 10588 bytes |
font_02_sfnt_off0002284b.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x2284B | 16792 bytes |
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