MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a link farm pointing to compromised WordPress upload storage and disposable hosting, indicating a phishing or SEO manipulation attempt. The ML classifier and ClamAV detection strongly suggest malicious intent. No scripts were extracted, but the structure and embedded URLs point towards a phishing lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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://glycocalyx.nl/userfiles/image/file/78993153791.pdf
- https://lorenzonimmigrationlaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bacd4ce0ca2---23803452139.pdf
- http://cbelmira.com/wp-content/plugins/super-forms/uploads/php/files/seduujp7ton06e1rfpi3077143/64421451335.pdf
- http://for-rent-aalst.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c0c8c7f2a7a---89169220797.pdf
- https://transcendenceit.com/wp-content/plugins/super-forms/uploads/php/files/b31577f95f37302d0c4c8e5425034b22/32335138201.pdf
- http://artospace.com/pics/file/1512894015.pdf
- http://sbox-technology.com/upload/datoteke/luzinarivuwija.pdf
- http://shinserviceodi.ru/wp-content/plugins/super-forms/uploads/php/files/42d317e8e5408779651f5542d010d185/gesewuvizegopo.pdf
- http://gccde.com/downloads/blog/geust/files/tesumojufekevimiwedi.pdf
- http://novussiteyonetimi.com/uploads/file/mirimikimikezepitaj.pdf
- https://coachtourbusrental.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e690c8edc3a---desilokesikuzasonojilutes.pdf
- http://iideree.org/wp-content/plugins/formcraft/file-upload/server/content/files/160885ed45a55c---jesefukidegaguvoke.pdf
- http://jinanxintiandi.com/userfiles/files/xoniwodelinalebe.pdf
- https://aquariumfargo.com/wp-content/plugins/super-forms/uploads/php/files/4228bf9a3f84f4c7f0501096b1fda04a/kuvimawid.pdf
- https://bikinibody.be/wp-content/plugins/super-forms/uploads/php/files/ufh3dms0i1r4nsm8tsn5d7r7m9/34578588888.pdf
- http://chapelguild.com/images/usr/30439153607.pdf
- https://schmitz.cz/res/file/zawukiwugexefemamep.pdf
- http://worksafeorg.com/wp-content/plugins/super-forms/uploads/php/files/22vb4ccs0fmnbp0g3vc9m1pic5/pezifojanezalogadofo.pdf
- http://imhyuk.com/imhyukeditor/userfile/file/nosotubokuvukikawufenel.pdf
- https://www.properties-thassos.com/wp-content/plugins/super-forms/uploads/php/files/qsbn3le675dfen4fvm24a4mg9b/92866788078.pdf
- http://aaexpansionjoint.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d01fe048b98---zuluxikupisinopama.pdf
- https://www.scanworld.se/wp-content/plugins/formcraft/file-upload/server/content/files/160a9232b06713---zolusoteregodivuxejav.pdf
- https://binarbaidtrading.com/public_html/userfiles/file/91484918087.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/Om9ozkHLxGw/uplcv?utm_term=small+engine+repair+questions+answers
- 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_off00010aeb.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10AEB | 16792 bytes |
font_01_sfnt_off000122fd.bin7772537465dc2bdaa9b8b31ebb71bab27d6745e28ab970999e9c0e9189773e24 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x122FD | 17764 bytes |
font_02_sfnt_off00015175.bina76542d5a5f83cb397718f1ffd3ebaeac39a6d06ab001f4498eee5c4d41c92ef |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15175 | 11004 bytes |
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