MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous links pointing to various domains, many of which are hosted on compromised WordPress sites or disposable hosting, suggesting a link farm or SEO poisoning tactic. The embedded URLs and the nature of the heuristics strongly suggest the document is designed to redirect users to potentially harmful websites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9984
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://www.molinoag.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607dcf8f0afca---55016892991.pdf
- http://www.cascinasorigherio.it/wp-content/plugins/formcraft/file-upload/server/content/files/1607e7b55b8058---govederepenowur.pdf
- http://asupuro.com/user_data/image//file/xotipakenekimunezozisifil.pdf
- http://broadmoor80.com/clients/866172/File/dufab.pdf
- http://garderoba.sk/images/_file/sikonokamagutesef.pdf
- http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1606d46b4ddc86---dewomoxisejeri.pdf
- https://www.actionconstructionjax.com/wp-content/plugins/super-forms/uploads/php/files/7828fdd8f31df50114ce42e0c7100605/lerinuxawojosadulopav.pdf
- https://www.cibaospalaser.com/wp-content/plugins/super-forms/uploads/php/files/2lfkrnkapmlokh1f45fk8ej7u3/fafuwuveguvomufaputelew.pdf
- http://intergeored.com/upload/File/zunuxazupagedafuwagivojix.pdf
- http://amfmeg.org/wp-content/plugins/formcraft/file-upload/server/content/files/160f511e12df72---gakigimapivef.pdf
- https://lashmakerpro.it/wp-content/plugins/super-forms/uploads/php/files/o4tj8tvmditt4rjnp78lpr3d55/82841571572.pdf
- http://clinicaveterinariailmarzocco.it/userfiles/files/nubikefurisogubol.pdf
- https://abugfreemind.com/userfiles/file/79950345994.pdf
- https://www.cedicar.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608cb9ad90a5e---83955945014.pdf
- https://alphacleanwashing.com/wp-content/plugins/super-forms/uploads/php/files/0d80533138f85b26fb20f062285ba265/wiguzuwedowudepilezoluko.pdf
- http://deccanquest.com/konadnew/userfiles/file/lokupufixob.pdf
- http://omg50yrs.com/clients/6/6d/6dc66c997efb3e4e8ce6e6e7d0694e91/File/96311743919.pdf
- http://www.hj-bouwt.be/wp-content/plugins/formcraft/file-upload/server/content/files/160920a5174511---63507082443.pdf
- https://www.taxiserviceh24.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b24e8c56162---jutaxu.pdf
- http://dailymaydemtien.com/userfiles/files/xemikigaji.pdf
- https://deltagroup.bg/uploads/file/24193073170.pdf
- http://techbis.pl/files/file/bevikevomivuza.pdf
- https://mystruggle.uk/indigo/ckfinder/userfiles/files/65271287913.pdf
- http://amblesidewindermere.ca/fckuploads/images/file/zidukimazu.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1KS0DP0cxss/uplcv?utm_term=exercices+de+francais+sur+les+mots+variables+et+invariables+6%C3%A8me
- 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_off0000cbd5.bin5ee106a3197db98bd27228577da491c4b48dce26e9d896c610dd4aeb22d0459b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCBD5 | 17968 bytes |
font_01_sfnt_off0000f86e.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF86E | 16792 bytes |
font_02_sfnt_off00011085.binefd3c328667df124162e1e92bc42ad867797785a4d55acde3a240d0842d9edfe |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11085 | 11352 bytes |
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