MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate it functions as a link farm, directing users to a compromised WordPress upload storage. The embedded URLs, particularly the one pointing to compromised CMS upload storage, are strong indicators of a malicious intent to redirect users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9895
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://bellezaeimagen.com.mx/wp-content/plugins/formcraft/file-upload/server/content/files/160d3756e0d935---kumabirutetarasirefiva.pdf
- http://abc-tel.ru/data/File/57375969566.pdf
- https://premiumvipbusiness.com/wp-content/plugins/super-forms/uploads/php/files/4564d14e17340e2c9afe28b28ebceb8f/motiwuximu.pdf
- http://zonweringbelgie.eu/ckfinder/userfiles/files/23125233224.pdf
- http://avvolodin.ru/upload/file/bowisuxaka.pdf
- https://bda.ch/ckfinder/userfiles/files/17487463437.pdf
- http://antichigelsi.it/userfiles/files/96478305707.pdf
- http://curry-box-deluxe.de/userfiles/file/teluk.pdf
- http://morethancars.nl/uploads/edytor/file/89784097582.pdf
- https://graffitipaintstudio.com/wp-content/plugins/super-forms/uploads/php/files/b11f52def409b7d9420091a2b5d3deed/tolepolibodemedoto.pdf
- http://www.reroofingbrisbaneqld.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1608943075902b---92870587398.pdf
- http://mesotects.com/wp-content/plugins/formcraft/file-upload/server/content/files/160afdd51878cc---73259663564.pdf
- http://ttlengenharia.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160da4db313ba9---58851612783.pdf
- http://ilovechardonnayhills.com/userimages/golip.pdf
- https://www.okcfarmersmarket.com/wp-content/plugins/super-forms/uploads/php/files/f10e1df6314d70005d4c8d7109f2b528/14780903152.pdf
- http://kasargod.net/uploads/file/gixedolawugej.pdf
- http://charivne.info/images/file/93466988304.pdf
- http://piazzademarini3ge.com/userfiles/files/40291618199.pdf
- https://bahamianbrewery.com/ckfinder/userfiles/files/fikumapugamolige.pdf
- https://borderpak.com/wp-content/plugins/super-forms/uploads/php/files/d533fcd63c5fbe1a0210e8ab02c49cee/gafofatesitava.pdf
- https://www.northernillumination.com/wp-content/plugins/super-forms/uploads/php/files/0c68146fe83a624e2207bf4f620ac08f/15336441602.pdf
- http://adria-ex.com/99547062906.pdf
- https://www.helpagesl.org/wp-content/plugins/formcraft/file-upload/server/content/files/160ad3be15a6e6---dedekawudifesaruwemi.pdf
- https://lerong.vn/wp-content/plugins/super-forms/uploads/php/files/46afcbf55e9ee7bd3ddc2a2c89201334/37691965675.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/1xuhb7AK25c/uplcv?utm_term=phim+v%E1%BB%81+t%C3%ACnh+y%C3%AAu+th%E1%BA%A7y+tr%C3%B2+hay
- 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_off000152e3.binb9dfc9c07f5814d91fae0efef3f744fab06ad8ce4c1bd12a84be3cb17397a224 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x152E3 | 3088 bytes |
font_01_sfnt_off00015f86.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15F86 | 16792 bytes |
font_02_sfnt_off0001779d.bin09e5c69fb6cf3b80857a6d2808db942f125f83f5f806b1402dbf07940ebb188b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1779D | 10944 bytes |
font_03_sfnt_off0001900d.bin72a48c94aea2b66794726b99b7fd86f11f25d98c3e976c9a68d3486cfc95bf84 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1900D | 31472 bytes |
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