MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file contains numerous links to external websites, many of which are hosted on compromised WordPress sites or disposable domains, suggesting a link farm or phishing lure. The ML classifier and ClamAV detection strongly indicate malicious intent. The presence of embedded URLs and the nature of the heuristics point towards a phishing or malware distribution campaign, likely initiated via spearphishing.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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://drafthe.ru/uplcv?utm_term=harry+potter+and+the+order+of+the+phoenix+read+online+free PDF link annotation
- https://www.simplythebestevents.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1609146508d434---niwomewixemorozijirige.pdfIn PDF document text
- https://www.kunapak.com/wp-content/plugins/super-forms/uploads/php/files/h2q62qgcn3t8hsksoat9mmjt4k/xegos.pdfIn PDF document text
- https://loan-financial.com/wp-content/plugins/super-forms/uploads/php/files/28a17b223eb242e24ff586e3529e4094/gikunarumafajor.pdfIn PDF document text
- https://nhadatonline24h.com/Images_upload/files/binonezapopigozen.pdfIn PDF document text
- http://linpus.com/app/webroot/userfiles/files/70081112304.pdfIn PDF document text
- https://xn--22ck6bdp5cach0mc23a.com/ckfinder/userfiles/files/15521372855.pdfIn PDF document text
- https://www.mercedesbenzofaustinservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a093a421e61---ledurinisexawuferujobo.pdfIn PDF document text
- http://www.neslihanonur.com/wp-content/plugins/super-forms/uploads/php/files/de66d4ff3d108504a22dff78bb06b0f2/646180166.pdfIn PDF document text
- http://www.pirac.org/wp-content/plugins/super-forms/uploads/php/files/d2086f146a5d8b657a2248d5208f47e5/raxen.pdfIn PDF document text
- https://victory-agency.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608657ebac543---zinul.pdfIn PDF document text
- https://arizonalightingsales.com/wp-content/plugins/super-forms/uploads/php/files/3610fa4e02537a68a79935133f522f07/jomozosuwujezemi.pdfIn PDF document text
- http://raiders71.com/clients/4/41/4134020f2f298c111575624a380fabfc/File/deranupowisefujegaxewul.pdfIn PDF document text
- http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1607bed4e42212---bilulaba.pdfIn PDF document text
- http://barrybusiness-crm.com/ressource/devis-photo/files/39620257920.pdfIn PDF document text
- https://rrvchefs.com/wp-content/plugins/super-forms/uploads/php/files/16ab6bd7731daa4bc00b34d985f83eff/14347644482.pdfIn PDF document text
- https://www.kngroup.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607710bbabe1d---bejuzapikamazozawosipu.pdfIn PDF document text
- http://birnagarcollege.in/userfiles/file/wudizawizufeduwawuzezad.pdfIn PDF document text
- http://limpiasol.com/wp-content/plugins/formcraft/file-upload/server/content/files/160735ca1bdabb---tadizej.pdfIn PDF document text
- https://girl0229960192.com/upload/users/files/30890790559.pdfIn PDF document text
- http://picassogift.com/Uploadfiles/files/44269002431.pdfIn PDF document text
- http://jockmurray.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607108d2029ce---wirofitonulanukatipajivu.pdfIn PDF document text
- http://bkdesign.ee/userfiles/file/93346998645.pdfIn PDF document text
- https://rmdschoolandcollege.com/wp-content/plugins/super-forms/uploads/php/files/ulvs4telnllijj46kv892j8sj1/44386065868.pdfIn PDF document text
- https://visaonline-vn.com/wp-content/plugins/super-forms/uploads/php/files/1tvafjpdaari7kkpf1d4lgkd7p/52187840969.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f088.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF088 | 10632 bytes |
SHA-256: 77d8b64c0150e0b947866f33072882afca381f6ede9353867c3fa135e94f8c41 |
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font_01_sfnt_off000108bb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x108BB | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000120cd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x120CD | 16516 bytes |
SHA-256: 56e87e205c79da93571ff438a1b829c81e01623f4fc058efeb3c3cd96ef17028 |
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