MALICIOUS
176
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The heuristics reveal it functions as a link farm, directing users to multiple compromised WordPress sites and potentially disposable hosting domains. These links likely serve to distribute malware or facilitate phishing attacks, aligning with the characteristics of a malicious PDF document.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
Heuristics 7
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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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Clickable URI points to raw IP address medium PDF_URI_IP_LITERALPDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
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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://philabc.ru/uplcv?utm_term=dsm+5+somatic+symptom+and+related+disorders
- https://gaseg.com/wp-content/plugins/super-forms/uploads/php/files/1nd9kelqlltmlp4fl0kukks2p4/xoninemi.pdf
- https://securityguardsupply.org/php/uploads/file/69998041377.pdf
- https://www.alertgy.com/wp-content/plugins/super-forms/uploads/php/files/a301f9d749c72ab88b9ac8c71b422107/97557691074.pdf
- http://www.pilonidalsinus.gen.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1608340df3c020---33974975469.pdf
- https://adbadog.com/wp-content/plugins/super-forms/uploads/php/files/1c594a2143cb03c41fa2b1a9d86db2da/kazakavovar.pdf
- http://www.saraviation.com/wp-content/plugins/formcraft/file-upload/server/content/files/160857239bc53d---46269237985.pdf
- https://spaslask.pl/wp-content/plugins/super-forms/uploads/php/files/is7g2mgej7tfdcl2vdnlpp218o/benalukededo.pdf
- http://104.156.58.56/~web2inbox/wp-content/plugins/formcraft/file-upload/server/content/files/1609631799ca2b---32816078985.pdf
- http://ckrestaurantgroup.com/ckfinder/userfiles/files/zuvatodolapamuna.pdf
- https://atlastoursntravels.com/userfiles/file/kezibaberunolil.pdf
- http://www.fullmooneye.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607feb54751cb---katutun.pdf
- http://sushinamu.com/uploads/files/59088591926.pdf
- https://www.chartsunlimited.com.ph/wp-content/plugins/formcraft/file-upload/server/content/files/16086ade02b9e3---58664243525.pdf
- http://caryhigh1987.com/clients/41333/File/votak.pdf
- https://www.sir.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1609f241716c9b---xakorus.pdf
- https://areicon.com/images/file/refesosesubu.pdf
- https://callhfelectric.com/wp-content/plugins/formcraft/file-upload/server/content/files/16094b4cab97d0---wegalubawixubeteninagofo.pdf
- http://uyaviation.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a43fe2888f---vugifitenigowavew.pdf
- https://zlatartopalovic.rs//files/65641505939.pdf
- http://purpledoorchurch.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607016792d9b1---56741924650.pdf
- http://thefutureofgolf.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160718d8e63a46---28615536020.pdf
- https://mithermomix.com.mx/wp-content/plugins/super-forms/uploads/php/files/b24059db92b3b9caef2204fe38407ea1/93426618944.pdf
- https://jamurgoreng.net/contents//files/wuradaxejegabu.pdf
- http://www.thediethub.in/wp-content/plugins/formcraft/file-upload/server/content/files/16074219cb122a---91486941091.pdf
- http://vankouwenenmastop.nl/UserFiles/file/jaziz.pdf
- 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_off0000bdd0.bin4f72f386b6eae7a99eeab0f097e1768f21863ca11f548af0278fafb688b36b81 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBDD0 | 10924 bytes |
font_01_sfnt_off0000d72f.bin74268429aaac8150ce0eefe814a96b3807c684943aa74c48bc3236d4b7123c37 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD72F | 15372 bytes |
font_02_sfnt_off0000fe4a.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFE4A | 16792 bytes |
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