MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous links pointing to compromised WordPress sites and potentially disposable hosting, suggesting a link farm or phishing lure. The PDF structure and embedded URLs are indicative of a phishing campaign, likely attempting to redirect users to malicious sites for credential harvesting or further payload delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9972
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 https://infrive.ru/uplcv?utm_term=legacy+of+discord+pets+guide PDF link annotation
- https://www.cdscabling.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160b7cf2473e44---15458325964.pdfIn PDF document text
- https://mattweidnerlaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/16088824c7d087---6230901759.pdfIn PDF document text
- http://www.olympussverige.se/wp-content/plugins/super-forms/uploads/php/files/tqce214icb6f88tirb539qipq1/zitegoxebawurema.pdfIn PDF document text
- http://www.orarestauratorisaf.it/wp-content/plugins/formcraft/file-upload/server/content/files/160bf920ec4a71---21924370806.pdfIn PDF document text
- https://its-bulgaria.bg/files/file/mabagakawopixaxaw.pdfIn PDF document text
- https://simovi.mx/wp-content/plugins/formcraft/file-upload/server/content/files/16086e79e0e6b2---keriposuvegixorenogek.pdfIn PDF document text
- https://spaslask.pl/wp-content/plugins/super-forms/uploads/php/files/3m3pvvrurrs9sbte8t3mmh2ia9/zibudazepujifo.pdfIn PDF document text
- http://okwecare.com/usr/userfiles/files/zadudipufavixuwepekigazaf.pdfIn PDF document text
- https://autosaloncenter.com/uploads/file/morewa.pdfIn PDF document text
- http://adabaskimerkezi.com/upload/file/depesenovo.pdfIn PDF document text
- http://dmn.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1609cf8815d3a0---91578017106.pdfIn PDF document text
- https://egf.tw/test2/images/file/rijupun.pdfIn PDF document text
- http://lirealestatelitigator.com/wp-content/plugins/super-forms/uploads/php/files/6023f04077f386195a4f5437e819fab2/sidunalukijelija.pdfIn PDF document text
- https://supermagnum-bg.com/userfiles/file/sakizukesemimotiz.pdfIn PDF document text
- http://adhdadvisory.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c5aabccfd23---39018469423.pdfIn PDF document text
- https://daluxerealty.com/wp-content/plugins/super-forms/uploads/php/files/c0j8u63r3hpk90eb8e9gumg9n2/wugibemusuleworemanupunik.pdfIn PDF document text
- http://iideree.org/wp-content/plugins/formcraft/file-upload/server/content/files/1607de23866dad---19616501079.pdfIn PDF document text
- https://rmdschoolandcollege.com/wp-content/plugins/super-forms/uploads/php/files/uip8m8jfpl7465qu5s4vq2q014/89279743377.pdfIn PDF document text
- https://www.azembay.com/wp-content/plugins/super-forms/uploads/php/files/eiq5757vdf92a6mpfjhjso7phf/16964607466.pdfIn PDF document text
- http://www.julitolaschools.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c26ff283a5d---13936053856.pdfIn PDF document text
- https://www.lashharmony.co.uk/wp-content/plugins/super-forms/uploads/php/files/fvlep9lojsp9h47buh38ujnbcv/rozan.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_off0000e503.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE503 | 10816 bytes |
SHA-256: 870dd333f589818aa5091b9fbcb99971da40616d79a9174da2b1d56f5134c541 |
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font_01_sfnt_off0000fded.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFDED | 17484 bytes |
SHA-256: cf688f402fea3debe9dc97c96d3b6ea66e32745a1605a8ca6c95cc4301227f73 |
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font_02_sfnt_off00012b31.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12B31 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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