MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The sample is a PDF file identified as malicious by ClamAV and an ML classifier. It contains a large number of external links, many hosted on disposable domains, suggesting a link farm designed to redirect users. The document body, though heavily obfuscated, contains references to 'Walmart black friday tv ad 2019' and the authoring application 'wkhtmltopdf', indicating a lure to disguise the malicious intent of redirecting users to potentially harmful websites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
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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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://ponafet.ru/strik?utm_term=walmart+black+friday+tv+ad+2019 PDF link annotation
- https://senabexe.weebly.com/uploads/1/3/4/2/134265557/dufugitefosufid.pdfIn PDF document text
- https://rexakutomas.weebly.com/uploads/1/3/0/7/130739652/7356884.pdfIn PDF document text
- https://mavilefisubagar.weebly.com/uploads/1/3/1/6/131606233/1887096.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4450728/normal_60209a57ac171.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4375889/normal_606227368a00d.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4418192/normal_5feba44eea2e4.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4484380/normal_604db0c3aa219.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4378405/normal_60416335c9361.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4376096/normal_6056f53c0e41f.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4380073/normal_6026b9b05a42d.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4422906/normal_5ff8c4cdf0d82.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4380530/normal_603aebf6675c8.pdfIn PDF document text
- https://nafuvazufu.weebly.com/uploads/1/3/1/4/131407552/7428189.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4488316/normal_603b4bf1906ef.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/209f4b8c-a598-49b6-8655-f6ea6c815d14/2006_honda_rancher_350_wheels_and_tires.pdfIn PDF document text
- https://s3.amazonaws.com/jemazejodep/wow_garrison_legion_guide.pdfIn PDF document text
- https://s3.amazonaws.com/wivunonovef/95779359745.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/92e6b819-c644-4587-a324-6cf2c30519b8/40008673088.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e2bee68c-3842-4915-ad2e-596157eabf4a/32083423900.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/50596613-44a1-4778-9b50-1559fb17acae/risanig.pdfIn PDF document text
- https://s3.amazonaws.com/fadobirak/la_divina_comedia_dante_alighieri_resumen.pdfIn PDF document text
- https://s3.amazonaws.com/punagilelabon/84216159256.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
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e537.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE537 | 5848 bytes |
SHA-256: 5147b5bd4bedad8f289761eebf89ce89494c933a3f766875c65f75af7db23589 |
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font_01_sfnt_off0000f932.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF932 | 10876 bytes |
SHA-256: 9dd7bf8a8a5580289cde9bba7d916c6bb7c3cd7d408341749b1ed19c974e3165 |
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