MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9994
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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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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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://midufefew.ru/123?utm_term=journal+el+bilad+algerie+aujourd%2527+hui+pdf PDF link annotation
- http://lomidal.mygamesonline.org/ch42o2co22h2o_how_many_atoms.pdfIn PDF document text
- http://sunugukumota.getenjoyment.net/wizumunizabakerafexar.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4366374/normal_5fc95d7750a1c.pdfIn PDF document text
- https://poxejoretojav.weebly.com/uploads/1/3/4/7/134740271/rodeniferogi.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4457572/normal_60100497cece7.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4408878/normal_60032b496ec73.pdfIn PDF document text
- https://bokenupipanedi.weebly.com/uploads/1/3/1/4/131483400/8162070.pdfIn PDF document text
- http://napufokotipo.getenjoyment.net/73326741241.pdfIn PDF document text
- http://zokidinodajives.getenjoyment.net/etymology_of_chinese_characters.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/zagubip/983538243.pdfIn PDF document text
- https://s3.amazonaws.com/mipizaju/43989727834.pdfIn PDF document text
- https://ddf64d59-5240-4154-9987-17dfc28e22c7.filesusr.com/ugd/cec570_a5ab303fd00744b3bf11bd310455c8b6.pdf?index=trueIn PDF document text
- https://e0271a52-a7af-48e9-8a99-924ce320ec62.filesusr.com/ugd/be5703_e7054b31c5244b68830ebea1a1dbdff8.pdf?index=trueIn PDF document text
- https://68e1e3d4-268d-49bc-a8aa-b119cb10fea7.filesusr.com/ugd/3ceeb9_7c2004edbd5d4041bfe6c978f031fe6f.pdf?index=trueIn PDF document text
- https://0fe83ef2-ed6b-4f04-a52d-31fe3c58d8d1.filesusr.com/ugd/ade4e6_205c8fdebf914358b13c9fe1df629888.pdf?index=trueIn PDF document text
- http://kapirexazi.onlinewebshop.net/40085244616.pdfIn PDF document text
- https://cae2aa39-5014-47ec-b549-0fed73f36d02.filesusr.com/ugd/c8683e_725f4354da704856860e46f3557d441c.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/vuzotisenixava/sony_xav_68bt_manual.pdfIn PDF document text
- https://19a4122d-28db-4ec2-a9e3-8c1e87f24dd5.filesusr.com/ugd/70d0b7_d877d32c53e34ad091c8e0ccf14b7efb.pdf?index=trueIn PDF document text
- https://c83cbd6e-a134-4b49-ba12-49f24c654ad9.filesusr.com/ugd/904a8b_9d14dcc8599249d1aa35525db270ac3e.pdf?index=trueIn PDF document text
- https://e5720c39-3c1c-4a52-9be9-509675281b5a.filesusr.com/ugd/0010c8_63c4fbb600e24235a9642095508dca74.pdf?index=trueIn PDF document text
- https://6ddb26ad-aa8e-4a3e-a925-5cef6fc035e1.filesusr.com/ugd/d3d820_57d011ca58a548fcbfe701c8abcebcda.pdf?index=trueIn 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
- http://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
stream_004_off0001408f.bin |
decompressed-pdf-stream | PDF FlateDecoded stream at offset 0x1408F | 28272 bytes |
SHA-256: 75efeb499a6ec68b0a81c5c636b2313166f457045b0f2970634418c91a374c32 |
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font_00_sfnt_off00010592.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10592 | 5364 bytes |
SHA-256: 75004cb5b8d55b6b661416b3e2c007f61f3f6f0347de68375d05bda4db5e57a4 |
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font_01_sfnt_off000117d1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x117D1 | 13044 bytes |
SHA-256: 5685c73154c476d905e90a83f5019212c1e9fe1973ab044dc11d584037b7d5f4 |
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