MALICIOUS
166
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
T1203 Exploitation for Client Execution
This PDF document was flagged as malicious by ClamAV and an ML classifier. It uses a LOLBin command-execution lure. 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 0.9998
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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LOLBin token sequence in document text high SE_LOLBIN_RUN_COMMANDExtracted document text contains a Windows script/execution tool name (PowerShell, mshta, cmd, rundll32, regsvr32, …) within 220 characters of a dangerous flag, command verb, or URL. This is a visible 'run this' instruction in HTML/PDF/RTF lure bodies, or — in macro-laden Office files — the macro's own string-pool entries appearing adjacent in extracted text.
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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://jumiwimov.ru/strik?utm_term=explanation+of+robert+frost+the+road+not+taken PDF link annotation
- https://vubupegizisave.weebly.com/uploads/1/3/5/3/135315261/fegoname.pdfIn PDF document text
- http://xofofumireke.mypressonline.com/cara_membuat_cv_yang_menarik_di.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4378830/normal_6042e1468ce9a.pdfIn PDF document text
- https://zudobusida.weebly.com/uploads/1/3/5/3/135330479/9126865.pdfIn PDF document text
- http://cparta.moscow/algebra_1a_slope_intercept_form_worksheetelclt.pdfIn PDF document text
- http://classkaod.ru/manual_pactware_4.1tf5kr.pdfIn PDF document text
- http://numberoone.xyz/how_to_fix_squeaking_ge_dryerxklt2.pdfIn PDF document text
- http://rabejagoruwobol.66ghz.com/jadagegeveni.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4410432/normal_60555d42992cc.pdfIn PDF document text
- http://rkconstructionsucks.com/site_planning_and_design_handbook_2nd_edition_russottld.pdfIn PDF document text
- http://1pokypki.website/27739681540a6lqe.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4407318/normal_60098ceb46165.pdfIn PDF document text
- http://tokio-2020.fun/wosomop93f81.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4388160/normal_6054d17fb78a6.pdfIn PDF document text
- http://fezelegafefuv.mywebcommunity.org/libro_techos_verdes.pdfIn PDF document text
- https://rorezumi.weebly.com/uploads/1/3/4/5/134591247/fd61e1017.pdfIn PDF document text
- https://guxodobozit.weebly.com/uploads/1/3/4/3/134333536/9734131.pdfIn PDF document text
- http://vehicleusains.com/11856878677ewcf.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://bixodog.rf.gd/cmd_attrib_access_denied_system_volume_information.pdfIn PDF document text
- http://jitofatukawej.rf.gd/74715145568.pdfIn macro / runtime command snippet
- 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
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ee1d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE1D | 5356 bytes |
SHA-256: 159c5a938473eeb9a88b98a49be643405111dcb9a4d7b8421dda221893df52fd |
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font_01_sfnt_off0001004d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1004D | 10240 bytes |
SHA-256: 4459593726c44b4368fd83ca85e229afcc1674bec3fcc198f955569b16fc7aeb |
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