MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of external URIs, many of which point to compromised WordPress upload directories or disposable hosting, indicating a link farm designed to distribute malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely phishing or malware delivery via these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9978
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://affectif.ro/data/Image/file/24315911017.pdf
- https://www.modianodesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/161423b346b654---texete.pdf
- http://luligang.com/ckfinder/userfiles/files/15365153607.pdf
- http://zaun-produzent.de/userfiles/file/74955807940.pdf
- https://maidintown.co.uk/wp-content/plugins/super-forms/uploads/php/files/09a2de4fd271ab3ff9a88ecd7731e669/19348116726.pdf
- http://www.inhd.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613b616e2a235---68104867196.pdf
- http://evabody.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1614287d5a7553---74489945988.pdf
- http://reklama-kemerovo.ru/files/files/vuzotefazuwag.pdf
- https://coachtourbusrental.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f8d208b420---88078379308.pdf
- http://krakow4you.pl/krakow/files/26202142012.pdf
- http://pileshoppen.dk/userfiles/file/subodinakerinokitejob.pdf
- https://ruh-center.ru/userfiles/file/52915689273.pdf
- https://deewo.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613d53e24f234---tesisefega.pdf
- http://ckud.handysociality.com/upload/files/11326503940.pdf
- http://ilovechardonnayhills.com/userimages/fuvisumurivudupu.pdf
- http://www.argentum.com/wp-content/plugins/super-forms/uploads/php/files/n9vc20rnartobaq4odmvaj05sk/raxirejubinewerige.pdf
- http://w.scenekunstskolen-efteruddannelsen.dk/ckfinder/userfiles/files/lexomukoxavegef.pdf
- http://sentezetutmerkezi.com/upload/ckfinder/files/66845591385.pdf
- https://floridahouselottery.com/test/userfiles/file/xazigolekelu.pdf
- http://daltan.hu/userfiles/file/nifumepivu.pdf
- http://witnesstherealist.com/wp-content/plugins/super-forms/uploads/php/files/e583d414cb97733bff3a22fa6c6bedee/majomunudidojigiradomi.pdf
- http://xycrusher.com/d/files/jisabugibiwijame.pdf
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16136a08cf2f5f---tabaxenagunexed.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/DOqCt-cVA4I/uplcv?utm_term=mkv+123+download
- 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_off0000b400.bin601ac21ca13237299d0ed2c560f3d61d5ea8a10f6ac8f3ed609bb0ac00592aeb |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB400 | 10232 bytes |
font_01_sfnt_off0000cb34.bin979cc4b9efca68de69f181eaa753a9ddcef7d015ddfd4250f1c4f453099b0afc |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCB34 | 15684 bytes |
font_02_sfnt_off0000f2a5.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF2A5 | 16792 bytes |
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