MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains numerous embedded URLs, many of which point to compromised WordPress sites or disposable hosting, indicating a link farm designed to lure users to malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9914
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://oniceh.ru/uplcv?utm_term=typing+master+pro+free+download+full+version+with+key
- http://strahovka66.ru/userfiles/file/tekel.pdf
- https://moveo-sport.pl/userfiles/file/garizaponogagar.pdf
- https://vandolderskb.com/images/usr/84107677899.pdf
- http://www.fliesen-brill.de/wp-content/plugins/formcraft/file-upload/server/content/files/1610d683045dfd---47268324461.pdf
- http://bonfiremadigan.com/uploads/fckeditor/file/22204415056.pdf
- https://addsfly.com/userfiles/file/18160399367.pdf
- https://regenerativetherapyforpain.com/wp-content/plugins/super-forms/uploads/php/files/6613d4990cb1470f09cc540b8b15f782/fazufutip.pdf
- https://iqmuseum.mn/uploads/files/sowetevata.pdf
- http://kindervakantieweekdeurne.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16099ed2900ea6---jujumerurerojazefe.pdf
- http://aksaaydinlatma.com/img/editor/image/file/botorukutiwed.pdf
- http://ofitecnic.es/files.ofitecnic/fck_up/file/51219550738.pdf
- https://www.rath-catering.de/wp-content/plugins/formcraft/file-upload/server/content/files/160834551eebf5---lakerelisidotibok.pdf
- http://nlureunion.com/clients/33063/File/devozu.pdf
- https://solo-enoant.com/content/files/files/94965708724.pdf
- http://andreevmag.com/wp-content/plugins/super-forms/uploads/php/files/8020727f8318086e0f81fe66dad3cf96/falelafisarevipugexejiw.pdf
- https://cakenepal.com/userfiles/file/dejatedotoworid.pdf
- http://www.studiolegalefusimorelli.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607fbcf0ee37d---12649231457.pdf
- http://101eyewear.com/luutru/files/rijizo.pdf
- https://rjiminfra.com/wp-content/plugins/super-forms/uploads/php/files/a50a85f819cc9038db21fae54805dc46/vewit.pdf
- http://studiobaliva.eu/userfiles/files/18294373249.pdf
- https://xo-sound.ru/userfiles/file/sariwisewesokenax.pdf
- http://smeclassof1987reunion.com/clients/37165/File/zipijadobidejaxemufidu.pdf
- http://minipit.com/data/files/robugunororinawutifowiw.pdf
- http://taiwan-casters.com/userfiles/file/dofabuluginuzidofof.pdf
- http://drstevealbrecht.com/wp-content/plugins/super-forms/uploads/php/files/bdafbd6c5c14a95be308f5055488e8f9/wozezub.pdf
- https://sevsport.info/wp-content/plugins/super-forms/uploads/php/files/0aa857355d195899eef1197bc2416e77/tisikabopozug.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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d6e8.bin4e67f15720840ed089358ecb8055f64fc55c2692754c058e220e134e1290b3ac |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD6E8 | 11364 bytes |
font_01_sfnt_off0000f162.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF162 | 16792 bytes |
font_02_sfnt_off00010974.bin3822323c782868b64126f65a3970b53c01d209c6bb4a6ebb08fd2f17415461eb |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10974 | 17392 bytes |
font_03_sfnt_off000136d4.bin0c133022d1e9883d2ff7035cf84f1fa0be9cfa0d671266bc5a940283bc0f9855 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x136D4 | 16376 bytes |
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