MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous embedded URLs, many pointing to compromised WordPress sites, suggesting it functions as a link farm. The ML classifier and ClamAV detection strongly indicate malicious intent, likely for phishing or distributing further malware. The presence of external URIs and link farms points to a tactic of directing users to potentially malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9964
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://drafthe.ru/uplcv?utm_term=how+to+get+hacks+on+pubg+mobile
- https://archcosmeticstudio.com.au/wp-content/plugins/super-forms/uploads/php/files/381a3d65db851208fb07dff0f4d066e6/67900703313.pdf
- https://www.uniqueartzz.com/wp-content/plugins/super-forms/uploads/php/files/66iaoa1tsehaorv4c51vni9jn7/dexazi.pdf
- https://sieuviet.net/webroot/img/files/zomukixederis.pdf
- http://comicpapyrus.com/wp-content/plugins/super-forms/uploads/php/files/2f0dc440ab07340886d2bce3b5cfd8d4/xupavubodewuxogetonafu.pdf
- https://brylka-kfz.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a0550873a3f---89423880221.pdf
- http://ubestsports.com/imager/files/20210618233640.pdf
- https://qualitylightsolutions.com/wp-content/plugins/super-forms/uploads/php/files/8b8b6a02b7787e6f22db53cf3c7cd477/bewamukezekagij.pdf
- https://40parables.com/wp-content/plugins/super-forms/uploads/php/files/8c8a5924d63d30dff7b98f3d70b949bf/vemogex.pdf
- http://malifer.hu/upload/file/jegetiraxosival.pdf
- http://sequoia59.com/clients/867919/File/papalamafivuvaro.pdf
- https://www.sir.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160acf2833f643---6185738836.pdf
- https://lorenzonimmigrationlaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075d8c85e013---61122728213.pdf
- http://www.chinahkcarplate.com/wp-content/plugins/formcraft/file-upload/server/content/files/16074fb5e78810---bewavoni.pdf
- https://pilotcenter.gr/wp-content/plugins/super-forms/uploads/php/files/c7k8784uk349cndoh4bhapl6al/wobewatiweved.pdf
- https://forcechicago.com/wp-content/plugins/super-forms/uploads/php/files/895eff61052153074bf3b8d1bc537efd/petuvev.pdf
- http://immodraft.nrw/images/architekten_agentur_images_/file/musevanujududelod.pdf
- https://alasclub.gr/neuro/ckfinder/userfiles/files/rivosajutufukawefop.pdf
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cfd8df4e9ed---wenizokamunux.pdf
- http://adhdadvisory.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c3d27990ff---54981817479.pdf
- http://asustainable.com/global/file/13933675319.pdf
- http://www.sunarpazarlama.com/wp-content/plugins/super-forms/uploads/php/files/dcjl8mslkd7q4ai66q44kecva1/neverab.pdf
- https://aliencosmicexpo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607aa882b9167---kulesugawadatug.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_off0000ead7.bin69c13fd1957bebfa75e7d600dec6393065f2c5d4fe2b909b7298bbbd2ce5a1dc |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEAD7 | 17164 bytes |
font_01_sfnt_off000117b3.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x117B3 | 16792 bytes |
font_02_sfnt_off00012fca.bin01f8789f24b1dbb70640219ca972248c1cbfe14a4c5f2798a38faaee219ffdeb |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12FCA | 11132 bytes |
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