MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a link farm with numerous URLs, many of which point to other PDF files hosted on compromised websites. This structure is indicative of a phishing or malware distribution campaign, where the initial PDF serves as a lure to redirect users to malicious content. The ClamAV detection and ML classifier further support its malicious nature.
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 http://www.gunyagder.org.tr/wp-content/plugins/super-forms/uploads/php/files/rk27s0llqoufi6r21gu8ms88r2/mepikifukajubutebinid.pdf
- http://panova-art.com/files/file/21008449918.pdf
- https://inchirieriavioane.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16134176e998be---govadonobozozaxomapebes.pdf
- http://alacarte-design.de/userfiles/file/wesefuxumodufuwovagakamax.pdf
- http://96rangjai.com/userfiles/file/37061375889.pdf
- https://tuabogadoangel.com/wp-content/plugins/super-forms/uploads/php/files/ca2ea7c0110b89a41e49a6b4c28e9e83/bejevosuwisavetimakoj.pdf
- https://aradovan.com/userfiles/file/60431126459.pdf
- https://syteq-pro.com/userfiles/file/12127258289.pdf
- http://restaurant-lyons.fr/userfiles/file/xipenokupafepikom.pdf
- http://blankheich.de/images/uploads/file/81567331512.pdf
- http://www.immiflex.com/wp-content/plugins/formcraft/file-upload/server/content/files/16132e319d22dd---31130789551.pdf
- http://khautrangkhangviet.com/upload/img/files/jozezixipujigekipozukaz.pdf
- https://at2-turbo-j3t.com/contents/files/9698323632.pdf
- http://etalentlink.com/uploadfile/file///2021091019434493.pdf
- https://www.lipfish.no/wp-content/plugins/formcraft/file-upload/server/content/files/1613c7cb726fee---60488164388.pdf
- https://www.vignolaweb.it/ckfinder/userfiles/files/zemiboxidagu.pdf
- https://greshamgilessalon.com/wp-content/plugins/super-forms/uploads/php/files/6cef8c982610f6eb3184c04904e1352a/56686185005.pdf
- http://mg001.cn/upload_fck/file/2021-9-14/20210914055932568642.pdf
- http://373113.linker.tw/files/20682567604.pdf
- https://www.baust.edu.bd/app/webroot/ckfinder/userfiles/files/3962992626.pdf
- http://villaturri.it/wp-content/plugins/formcraft/file-upload/server/content/files/1613d4cdf22f83---44869122601.pdf
- http://hb-hospital.com/file_upload/fck_upfile/file/98450165178.pdf
- http://isemya.by/modules/ariol/static/ariol/ckfinder/files/58345820170.pdf
- http://nationalcoopadvisors.com/userfiles/files/fekubuxeje.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/Om9ozkHLxGw/uplcv?utm_term=guitar+hero+games+for+android
- 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_off0000b09c.bin361e4581d26e0ab9350acad4ab98a692681d22c4c32c6cd1aae7907871fe1bdf |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB09C | 16820 bytes |
font_01_sfnt_off0000db5f.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDB5F | 16792 bytes |
font_02_sfnt_off0000f376.bincb988b134662aeed1d1c175b74d08a586a4e51d803e0aa9015e17455b449bb3e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF376 | 10892 bytes |
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