MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was identified as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The heuristics reveal it functions as a link farm, with numerous URLs pointing to compromised WordPress upload directories and disposable hosting. These links are likely intended to redirect users to phishing or malware distribution sites.
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 http://worksafeorg.com/wp-content/plugins/super-forms/uploads/php/files/g630q11ocr17kgcfpq4gaqc657/nakejekasurufubupowuvor.pdf
- http://csim.jp/ckeditor/uploads/files/45703816298.pdf
- http://gramercy-grand.ru/files/file/tofutisigo.pdf
- https://artistprasanna.com/userfiles/file/jirupe.pdf
- http://ez-surveying.com/htdocs/cljr/data/files/37597935598.pdf
- http://portalinmobiliario24.com/uploades/fckeditorfile/vijugidenivil.pdf
- http://e-menu.hu/editor_up/tefaredade.pdf
- http://dighakanchaninternational.com/FCKeditor/file/binetinizavezabod.pdf
- https://kolorubursztynu.kolorubursztynu.pl/web/uploads/files/dovotovijezu.pdf
- http://www.anjhimayath.com/upload/file/39244537782.pdf
- http://beverly.kopanramen.com/uploads/files/wefedoxikubu.pdf
- https://weyergans-hcc.lv/userfiles/file/89155233619.pdf
- https://loskutova.site/wp-content/plugins/super-forms/uploads/php/files/d3a9fa2fb383afc493fbd40f62bdd723/91249092140.pdf
- http://www.investing-in-women.com/wp-content/plugins/formcraft/file-upload/server/content/files/161424f19c97ba---65656676192.pdf
- https://www.jdconstinc.com/ckfinder/userfiles/files/jiliwapetolitosupav.pdf
- https://valleyrentals.com/userfiles/file/zosafofib.pdf
- https://doanandieuduong295doson.vn/namthuan/images/news/files/resogapakewaxexizizepixa.pdf
- http://jsushibrea.com/uploads/files/33712745971.pdf
- https://braviengenharia.com.br/wp-content/plugins/super-forms/uploads/php/files/2glknb5lvlgp3utjcbuupp1esh/sirutaxax.pdf
- http://klick-tipp.info/ckfinder/userfiles/publics/files/tivelevesigawaxutubov.pdf
- http://ambartakip.net/belgeler/file/68584907344.pdf
- http://maaramachandifpo.com/admin/userfiles/file/39610483182.pdf
- http://arunimaflavours.com/userfiles/file/jelitizedalakipolovomon.pdf
- https://magnettoptan.com/upload/ckfinder/files/jusapos.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/BkSY9tpko7c/uplcv?utm_term=games+ppsspp+bola
- 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_off0000b51b.bin207bf42cce204c37aad6829099021684db85c9b5606a2658c95fa952ac3d7be9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB51B | 18016 bytes |
font_01_sfnt_off0000e3bf.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE3BF | 16792 bytes |
font_02_sfnt_off0000fbd6.bin4864ab975efba7849764b86070dc277992e596539358ea3624fc28b48e0dfa1a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFBD6 | 10196 bytes |
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