MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of links, many of which point to compromised CMS upload directories. The ML classifier and ClamAV detection strongly indicate malicious intent. The file appears to be a link farm designed to direct users to malicious content hosted on potentially compromised websites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9972
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://ekonopuntos.com/campannas/file/gijadizijumavibo.pdf
- http://kennyre.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d7a281520dd---gudulepusen.pdf
- https://sipsib.ru/wp-content/plugins/super-forms/uploads/php/files/7714e57367f27b204be95588e85612d3/mufuxa.pdf
- http://www.airportlimofortlauderdale.net/wp-content/plugins/formcraft/file-upload/server/content/files/160862d3ca77c3---37954856969.pdf
- http://kurier48.pl/files/userfiles/file/65251259862.pdf
- https://outsourcedbackoffice.co.uk/wp-content/plugins/super-forms/uploads/php/files/2fc563bc38d1b645a967ecfd3c433a47/13096512357.pdf
- https://bancodevida.com/bancodevida/admin/images/image/file/47473444407.pdf
- http://artospace.com/pics/file/11745291774.pdf
- https://husvagnsexpo.se/wp-content/plugins/formcraft/file-upload/server/content/files/160a3e1cf1f6f8---givaburifav.pdf
- https://www.eziblank.com/wp-content/plugins/super-forms/uploads/php/files/j0hg95u1hkv9k0alrr49fm10n7/77358461483.pdf
- http://moveisgarciadigital.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16088cc8a7c57a---60515306731.pdf
- http://pansophers.com/wp-content/plugins/formcraft/file-upload/server/content/files/160841243bf1bf---bazapof.pdf
- http://grandchainfamilyfoundation.org/clients/85333/File/41127791560.pdf
- http://www.idenet.net/wp-content/plugins/formcraft/file-upload/server/content/files/16081241196e02---jirazokodo.pdf
- http://www.valathors.com/ckfinder/userfiles/files/49312951245.pdf
- http://prof-cosmetics.com/upload/files/91049712671.pdf
- http://manufim.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/160cbe52624c1a---41132783680.pdf
- http://discoveryenglish.org/wp-content/plugins/formcraft/file-upload/server/content/files/160bb0d2dce5a6---siwafo.pdf
- http://skogsformedling.se/bilder_umeny/File/riguwemosepiwira.pdf
- http://moveisgarciadigital.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160b79f5c373c6---vemaduvijapiwugaguxagis.pdf
- https://elicopter-de-inchiriat.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160ae2dbec84e7---32340856777.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/LPIa9PGmDLg/uplcv?utm_term=putting+pdf+into+word
- 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_off0000e737.binec370c672b0b446df7a02f31f78414abfe707f4f689bacb14069ab51ad37935e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE737 | 18864 bytes |
font_01_sfnt_off000116b8.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x116B8 | 16792 bytes |
font_02_sfnt_off00012ecf.bin5382476e9e69c5f9855c858b29fdd34a81cf1c6d3aefe983ea0455cf23b89608 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12ECF | 10352 bytes |
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