MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The heuristics reveal that the document functions as a link farm, directing users to multiple distinct hosts, many of which are hosted on compromised CMS uploads. This suggests an attempt to distribute malicious content or phishing pages through a network of compromised websites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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://gennarimaq.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160713c036717c---fidaj.pdf
- https://siyata.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/1609868443e9ff---revimerezuvux.pdf
- https://amirep.com/wp-content/plugins/super-forms/uploads/php/files/ac5881867643e91593a56294408b2273/nimarelep.pdf
- https://lcd96.ru/wp-content/plugins/super-forms/uploads/php/files/dafd51bd1929411ea5617cae65ca3f00/lokefudugodoninizuz.pdf
- https://eduinfinite.com/wp-content/plugins/super-forms/uploads/php/files/b51c29617ea97e5e0f8290c7f81dde55/sofadimexemogixemaxinaru.pdf
- http://akicgiyim.com/userfiles/file/1694871116.pdf
- https://gift-edu.ru/wp-content/plugins/super-forms/uploads/php/files/ce9763b13e448a358182c9c14f99735b/8528186533.pdf
- http://nano-vip.com/ckfinder/userfiles/files/wesujufumikavorubu.pdf
- https://profbuhotchet.ru/wp-content/plugins/super-forms/uploads/php/files/88b08e64a95f79a4caad42add471e99f/60643137425.pdf
- https://weyergans-hcc.lv/userfiles/file/10717895499.pdf
- https://lightspec.com/wp-content/plugins/super-forms/uploads/php/files/d246c23d8e45b71613eee8faf07eb4a3/23560909721.pdf
- http://gostium.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607edfff86011---64301194975.pdf
- http://liccuza.ro/stiri_files/file/37247801308.pdf
- http://budka39.ru/files/jinivevunakilulub.pdf
- https://www.golaw.net/wp-content/plugins/formcraft/file-upload/server/content/files/1607dd93d3a768---rojomax.pdf
- https://ethiquedevelopers.com/wp-content/plugins/super-forms/uploads/php/files/37dfd0df6bf3e9fcf09d4235de1447b0/murotuber.pdf
- https://jaunimodienos.lt/wp-content/plugins/super-forms/uploads/php/files/5q247mom4btsd5eite5k3747a1/dejejogisefag.pdf
- https://haps.company/wp-content/plugins/super-forms/uploads/php/files/3524n8si8lj06bq5snphd55n77/84992135565.pdf
- http://mirembeestate.co.ug/wp-content/plugins/formcraft/file-upload/server/content/files/1607d2288eed94---bawefirosowalumisu.pdf
- https://www.deuba.info/wp-content/plugins/super-forms/uploads/php/files/vijepb8u8438v2l2ltn612ff7c/pifivokerefo.pdf
- http://ajtoablakcentrum.com/_user/file/76472281746.pdf
- http://aylincinarli.com/fckfiles/file/vedutube.pdf
- http://aleeblog.com/wp-content/plugins/super-forms/uploads/php/files/qng4c0odqsei28h7em728no582/sedibabasurogerobusage.pdf
- http://bazatalty.pl/wp-content/plugins/super-forms/uploads/php/files/352747aab563a6d237b365cb33651f23/83125195138.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/Om9ozkHLxGw/uplcv?utm_term=difficult+three+letter+words
- 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_off0000edb1.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEDB1 | 16792 bytes |
font_01_sfnt_off000105c3.binc04fc015a660b42ae5f8f2e2d80fa40c33ed3a38369b67272bad6a593a994835 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x105C3 | 17272 bytes |
font_02_sfnt_off0001327f.bin94570878d3085793ca2e38aea6db7c3b223882d2c8148a784d2c1438b49fa375 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1327F | 10496 bytes |
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