MALICIOUS
206
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a malformed exploit stream and a large number of external links, indicating a malicious intent to redirect users. The ML classifier and ClamAV detection strongly suggest this is a phishing or trojan delivery mechanism. The embedded URLs point to disposable hosting and are likely used to distribute further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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Malformed active-content stream length medium PDF_MALFORMED_EXPLOIT_STREAM_LENGTHA PDF stream that carries active/exploit-looking content has a declared /Length that does not match the recovered stream body. Malformed stream boundaries and length mismatches are common parser-evasion/supporting evidence around Reader exploit streams.
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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://fokemale.ru/123?utm_term=bellanca+scout+flight+manual PDF link annotation
- https://kanigonule.weebly.com/uploads/1/3/4/0/134017023/magusujiniruwatiwet.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4473645/normal_600c15a87cc18.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4496815/normal_5fd9af34aa4bc.pdfIn PDF document text
- https://vojerured.weebly.com/uploads/1/3/3/9/133999986/94a0cc.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4412151/normal_604f6fd1a5906.pdfIn PDF document text
- https://mosugomepa.weebly.com/uploads/1/3/4/0/134096926/1454283.pdfIn PDF document text
- https://kedepojab.weebly.com/uploads/1/3/0/7/130739947/vepugojepa.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4385847/normal_6052b2134a15f.pdfIn PDF document text
- https://fujepibipaxider.weebly.com/uploads/1/3/1/0/131070521/2689440.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4410731/normal_60000cef4ef3e.pdfIn PDF document text
- https://vewudati.weebly.com/uploads/1/3/0/8/130873955/5483435.pdfIn PDF document text
- https://lerorenoj.weebly.com/uploads/1/3/5/3/135390996/kazewexukuron-bozozesiman-sonoxepibati.pdfIn PDF document text
- https://vesizolakaz.weebly.com/uploads/1/3/4/3/134333528/juvukuvili.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4478952/normal_60634849b7024.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/d4325e1f-dfb7-43d7-af7c-ff2f1d6e88d7/kujegedafixeretofovozezep.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/db4558d5-eaf0-4aea-818b-6c688102694a/forina.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/f3fbfa79-65be-4413-9461-233e22798182/janavawas.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/3a907aae-7e8b-4844-a7b3-dbc7ba3e7014/jinebedinulorif.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/85532483-9699-42fa-87f5-c72e4f3bed3d/rabutawexojalovizos.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://scripts.sil.org/OFLIn 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_off00014bae.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14BAE | 5248 bytes |
SHA-256: a76993129d340b8abeff01373023bf407ca29d16c77f253f0fdcf7edbfcbfb47 |
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font_01_sfnt_off00015d68.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15D68 | 11096 bytes |
SHA-256: 5b47f20a92ae75812da8e8eb958376c96b42b210568cbf1b1f0947e4e45cc064 |
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font_02_sfnt_off00018395.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x18395 | 16068 bytes |
SHA-256: 9e1271d681207e96fe60c94df920a27091a957dc81e2614e9e6235263a34fce6 |
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