MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV detecting it as a phishing trojan. It contains numerous links pointing to compromised WordPress uploads and other disposable hosting, suggesting a phishing or malware distribution scheme. The embedded URLs and link farm structure indicate an attempt to redirect users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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://medvor.ru/uplcv?utm_term=roja+songs+tamil+mp3+download PDF link annotation
- https://vgi-vn.vn/app/webroot/img/files/wajexilurotobagalabovuni.pdfIn PDF document text
- https://atlantidegattico.it/file/30654401380.pdfIn PDF document text
- https://refour.eu/wp-content/plugins/super-forms/uploads/php/files/125fe865e91ed7adb7f0192df160e6cc/keroperigufa.pdfIn PDF document text
- http://74ahs.com/clients/2/2a/2a132ee8da0778863662fd4b1fa251ed/File/pesimodikevelewu.pdfIn PDF document text
- http://ofitecnic.es/files.ofitecnic/fck_up/file/wapolebasaxutuze.pdfIn PDF document text
- http://beijingxinzhi.com/userfiles/file/20210507063138_39310129.pdfIn PDF document text
- https://betenenergy.com/sites/default/files/file/gitinivawedutaj.pdfIn PDF document text
- https://thriveelearning.com/wp-content/plugins/super-forms/uploads/php/files/5cc7675580d11d5b0939968b0a809919/lutamaxupegure.pdfIn PDF document text
- https://michaels-limo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c1e953285fe---nalafutefiwibuzobenokiv.pdfIn PDF document text
- https://carthink.org/wp-content/plugins/formcraft/file-upload/server/content/files/1606d8a0ac5288---97232795611.pdfIn PDF document text
- http://shinserviceodi.ru/wp-content/plugins/super-forms/uploads/php/files/09e9400d620393366f070f2a46d3a07b/fovilikoxe.pdfIn PDF document text
- http://hzjksj.com/images/upload/File/wekuselinid.pdfIn PDF document text
- https://topinsolventa.ro/userfiles/file/wolomofus.pdfIn PDF document text
- http://www.thunderesp.com/ckfinder/ckfinder.htmlfiles/dakedizirivoravabunopedid.pdfIn PDF document text
- http://redeyeldn.com/userfiles/file/luxivosaguruwuwisefutama.pdfIn PDF document text
- http://ithaca1966.com/clients/8/85/85e9e0a76fddb83d7689cebc6ab07fae/File/potuvudavumatub.pdfIn PDF document text
- https://christianboudreau.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a365ef420f9---dekirulategivifen.pdfIn PDF document text
- http://www.a-fairys-choice.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a78c1c918ad---30736637410.pdfIn PDF document text
- https://brothers-music.com/ckfinder/userfiles/files/693515380.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_off0000b569.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB569 | 10936 bytes |
SHA-256: 573820f409a6693c4352e28247f46f99e9be022c3bec287839b28003b09207cd |
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font_01_sfnt_off0000ce8a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCE8A | 15696 bytes |
SHA-256: 32d79c8f9762b254da99ac656186e3c81a0dc099dd133592158eab1d8445ea20 |
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font_02_sfnt_off0000f6bf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF6BF | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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