MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by multiple heuristics as malicious, including a high-confidence ML classifier and ClamAV detection. It contains a link farm pointing to compromised WordPress sites, suggesting an attempt to redirect users to malicious content. The presence of embedded URLs and the nature of the heuristics indicate a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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://udachi.co.th/wp-content/plugins/super-forms/uploads/php/files/es5r3apl1qmojmc8groivfs7ak/37743472312.pdf
- http://saopauloairporttransfers.com/ckfinder/userfiles/files/73047381390.pdf
- http://daphongthuyhueminh.com/uploads/image/files/tapuwupotano.pdf
- http://www.immiflex.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a85c0fd130d---jebubaxigitedipa.pdf
- https://amatnieks.com/pictures/image/lokisuso.pdf
- http://dalnoboy.org/data/filestorage/upload/files/6044842063.pdf
- https://dursunguney.com/userfiles/files/20750681710.pdf
- https://adiwirawanbali.com/wp-content/plugins/super-forms/uploads/php/files/1d4ee4ec42a422a97f9309a763f3b39b/varutupiwivuwolefuzipag.pdf
- http://au-zlato.sk/upload/files/judeperazubigosu.pdf
- https://fzclicks.com/demo/files/editor/file/sivefopomivexeso.pdf
- https://nowbali.co.id/wp-content/plugins/formcraft/file-upload/server/content/files/160800ceb2b7e2---49971237324.pdf
- https://www.baileysmilk.com/wp-content/plugins/super-forms/uploads/php/files/0095e88a246081d2f660adf312a2b1dc/89931978921.pdf
- https://air-separation-supplier.com/d/files/puzisobaritozamapabepazar.pdf
- http://intrinhgia.com/admin/webroot/upload/image/files/nunuxifozifarezixelof.pdf
- https://drmiamiconnect.com/wp-content/plugins/super-forms/uploads/php/files/b7780ccde68fe51955d5dcaa86360727/kidew.pdf
- http://www.musicmaestrodiscos.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16080ece1ed5da---96582617409.pdf
- http://objetivovender.com/wp-content/plugins/formcraft/file-upload/server/content/files/16086c94ac9d59---85098264002.pdf
- http://grupogmec.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a61f70da045---nuxejuvometemawebapu.pdf
- http://hb1004.com/userData/board/file/52790644013.pdf
- http://adanateknikservis.web.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160b48f336eed1---52633282937.pdf
- http://barcelonahotel.vn/UpLoadFile/file/kawisosaposulamojipelezu.pdf
- http://happypalettebnb.com/CKEdit/upload/files/dagub.pdf
- https://loskutova.site/wp-content/plugins/super-forms/uploads/php/files/00872cff1dbfeb687b142dc05d43a10b/xanani.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/S30rS-6n6vg/uplcv?utm_term=causes+of+termination+of+employment
- 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_off0000ea63.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA63 | 16792 bytes |
font_01_sfnt_off0001027a.bin40efc834bd80f54c207d90a8a644ce4e75d58a098a431d9ff02c816c183ceadc |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1027A | 10764 bytes |
font_02_sfnt_off00011b41.bindd69e23d70d8b749dafe74663f76ce84f0041ea409b20d500c4c671976c58462 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11B41 | 16720 bytes |
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