MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains numerous external links, many hosted on disposable domains, suggesting a link farm or SEO spamming operation. One prominent URL, 'https://resalured.ru/strik?utm_term=black+and+decker+drill+battery+replacement', indicates a lure related to product replacement. The ClamAV detection and ML classifier strongly indicate malicious intent, likely related to phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
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://resalured.ru/strik?utm_term=black+and+decker+drill+battery+replacement PDF link annotation
- https://cdn-cms.f-static.net/uploads/4412413/normal_602f2eee7248e.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4427544/normal_600a9521ba057.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4465919/normal_6009529c8e09e.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4409417/normal_5fe7704e3c5b2.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4492259/normal_5fe76caff305c.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4447252/normal_5fff9aa105105.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4468563/normal_5fc7d246896c9.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4379856/normal_5fda58fdde577.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4408340/normal_603159b61a95e.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4454426/normal_600be5ebb7131.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4373520/normal_60199f7276e32.pdfIn PDF document text
- http://pevojatinolotej.22web.org/tovek.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://tudibakigar.epizy.com/visual_studio_2019_shortcuts_cheat_sheet.pdfIn PDF document text
- https://76bf09fe-c378-4d6f-baa9-beaf48595a8b.filesusr.com/ugd/61567a_f8242c64ee8249afb50f17f38e2687a4.pdf?index=trueIn PDF document text
- http://duxurajixi.rf.gd/62957716642.pdfIn PDF document text
- http://bexumasifawej.epizy.com/the_anatomy_of_fascism_goodreads.pdfIn PDF document text
- https://a8a70d16-e3f0-4805-b115-4d8c62c40b57.filesusr.com/ugd/82e28d_a428406fdf2a4129abda32c3dee73d26.pdf?index=trueIn PDF document text
- http://rexenejo.epizy.com/guild_wars_nightfall_guide.pdfIn PDF document text
- https://34e2f0dc-0077-42bd-a047-efa2502e92af.filesusr.com/ugd/8a05ec_fdce5afcb1644d7fb42820b0fcf2229d.pdf?index=trueIn PDF document text
- https://4328a374-8b5c-4134-9cef-e132ca5fc89d.filesusr.com/ugd/6732b1_2f7794cf046a4a0ba6402a519fd1b8d1.pdf?index=trueIn PDF document text
- http://fivamoxopel.epizy.com/heraeus_group_annual_report_2016.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_off0000fdcf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFDCF | 5396 bytes |
SHA-256: 99a319165ea971a2fb4c85c1f29080601f8eaf8b14f4dca9c9e6fec5f4256b92 |
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font_01_sfnt_off0001101f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1101F | 10892 bytes |
SHA-256: b09f45bd3c113f6ca5408438760a3958f30f6f3440b7638d94df4498f400b6e0 |
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