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 0.9995
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://golowaki.ru/strik?utm_term=what+is+the+shortcut+key+for+a+check+mark+in+word PDF link annotation
- https://cdn-cms.f-static.net/uploads/4490244/normal_603ee58e0d364.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4373008/normal_60402f03ed54e.pdfIn PDF document text
- https://rikusinifo.weebly.com/uploads/1/3/4/0/134017093/7700f8e0c12f7a4.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4366620/normal_600d19665ec1e.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4365591/normal_60119b2b56542.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4530070/normal_6024654e338c9.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4454984/normal_603133644a672.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4490529/normal_5fe5e6cfdac82.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4389797/normal_603bcfcfe2782.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4369776/normal_5ffd992bbea96.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4384037/normal_6063d97045832.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4472506/normal_5fd2dc82df799.pdfIn PDF document text
- https://wukarogokemek.weebly.com/uploads/1/3/0/7/130739107/pumenasebiju.pdfIn PDF document text
- https://gatevipamor.weebly.com/uploads/1/3/4/8/134878843/f33c8ee73fa.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4391921/normal_600fcafe57004.pdfIn PDF document text
- https://wurotifaji.weebly.com/uploads/1/3/4/3/134315076/nawunanulid.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4382793/normal_600f73521561c.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4476446/normal_60632cd78daf6.pdfIn PDF document text
- https://fewegako.weebly.com/uploads/1/3/1/4/131453302/peraxob-neviwekirutir-nebajiron.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4460954/normal_606e8cdb4d3a2.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/b3c83949-e514-492a-9e37-3e7bda2bdf87/zobuxusufoset.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/7c86ccc3-63bd-4b34-a2b8-8e8eeddc4998/historia_de_mexico_3_secundaria.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_off0000fee2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFEE2 | 5500 bytes |
SHA-256: ce4b57f695ece7487470ceb5d99e95ee1ec49adfe632a33ceb03822d740c02e7 |
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font_01_sfnt_off0001118d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1118D | 11420 bytes |
SHA-256: 82aae1b27d6a3f55d7d60c678c82ed206e9e4da0d0c34e8b1ad8fc122b6cbff8 |
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font_02_sfnt_off00013829.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13829 | 16792 bytes |
SHA-256: cbd529cf6f3402839f3b6bd56490d1bbd0e7f183c6aeebf30c18086c32ace595 |
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