MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous links pointing to external websites, many of which are hosted on compromised CMS uploads or disposable domains, suggesting a link farm or phishing lure. Although no scripts were explicitly extracted, the PDF structure and heuristic firings strongly suggest it's designed to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9943
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://tai-yang.tw/taiyang/upload/file/12683459468.pdf
- https://ever-progress.com/upload/files/60929082533.pdf
- http://akcjonariusz.com/UserFiles/file/jezonoka.pdf
- http://bandenplaats.nl/cmsimages/file/vusoxazagulinesetiju.pdf
- http://agriturismofattorialucciano.com/ckfinder/userfiles/files/werodapumo.pdf
- http://animationcoach.com/userfiles/file/61758175772.pdf
- http://asesorgubernamental.com/images/file/70726494207.pdf
- http://www.cuerpomenteyespiritu.es/wp-content/plugins/formcraft/file-upload/server/content/files/160826e9a8abb9---jajuxipizale.pdf
- http://asfalon.com/__files/file/12238048467.pdf
- http://gulfcoolcontracting.com/uploads/userfiles/file/file/xunago.pdf
- https://baobihungphu.com/media/ftp/file/37490709609.pdf
- http://sp3siemianowice.pl/userFiles/files/50575089504.pdf
- http://www.zulfugar.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1607623488e387---85426206835.pdf
- http://roomyab.ir/basefile/roomyabir/files/73317208772.pdf
- https://www.ideaklinik.com/wp-content/plugins/formcraft/file-upload/server/content/files/160774cba5b73c---netepukuvap.pdf
- http://claudiodauelsberg.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160bad6746e0d0---munevilawirobutix.pdf
- https://glasschneider.koeln/wp-content/plugins/super-forms/uploads/php/files/9ljo314ec87lcrff8jfdlk2a13/lebivisigulakepafofado.pdf
- http://unityproductions.com/upload/files/72448303102.pdf
- https://tktravelkorea.com/FileData/ckfinder/files/20210709_25DB7904BD1CEF1C.pdf
- http://asianaccounting.com/admin/fckeditor/userfiles/file/50825593040.pdf
- https://auf.vn/wp-content/plugins/super-forms/uploads/php/files/f01cuucmpu4bs2eoe7nv560kb2/dasigapuxojajepusulusuzi.pdf
- https://felix-schulze.biz/wp-content/plugins/super-forms/uploads/php/files/sprn4tpbail2rsp6inf3dli1tb/11142520267.pdf
- http://rebornfair.com/FileData/ckfinder/files/20210626_11E9236FB0AA5435.pdf
- https://yourtuscanyguide.com/wp-content/plugins/super-forms/uploads/php/files/tsnc19mdatcnr9s8ed52ut4701/49991427573.pdf
- https://agilitynd.com/wp-content/plugins/super-forms/uploads/php/files/e0341721884fa5ac4dbad583d3f09af3/41187494291.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/BkSY9tpko7c/uplcv?utm_term=the+norm+chronicles+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_off0000cdde.binf61ce13c0139d13937a00d080d68cdca0fdb82a7ffbe61bcb90e44a8730df0d1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCDDE | 16724 bytes |
font_01_sfnt_off0000f94f.binedd335a93b4b305e9010db0a236a621a954ad7b08d59f0371c75eae2e28743eb |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF94F | 10588 bytes |
font_02_sfnt_off00011134.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11134 | 16792 bytes |
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