MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains a large number of external links, many hosted on disposable domains, suggesting a link farm or SEO spam operation. One of the embedded URLs, 'https://lozipotod.ru/strik?utm_term=what+is+the+best+top+loader+washing+machine+to+buy', is likely part of this campaign to drive traffic to potentially malicious or ad-filled sites.
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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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://lozipotod.ru/strik?utm_term=what+is+the+best+top+loader+washing+machine+to+buy PDF link annotation
- https://static.s123-cdn-static.com/uploads/4476429/normal_6002982d77042.pdfIn PDF document text
- http://13millions.store/sat_math_2_curve_august_2019ep79m.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4424040/normal_5ff366e8399c6.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4421061/normal_5fd149ee1070b.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4426971/normal_60254192404fa.pdfIn PDF document text
- http://help-lnstagramcopyrights-verify.com/41026663165yckbz.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4501214/normal_5fd62edb5be4d.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://486a928f-df87-4682-b39c-9199637d78f9.filesusr.com/ugd/982a49_f5a2e6ecf62b431483511ed37f1c9d45.pdf?index=trueIn PDF document text
- https://e18e6c05-101e-4f41-9c4d-f518aea09dbb.filesusr.com/ugd/7972b3_5171dc63c1f946679f24a7dfee47c6ec.pdf?index=trueIn PDF document text
- https://1df32be7-5e6a-491e-80e4-5c558052ef26.filesusr.com/ugd/e02e08_9ce283c841da428590ebf7b5b4fbdcba.pdf?index=trueIn PDF document text
- https://34886cf3-15ed-44db-93e8-8979dc7c4cd7.filesusr.com/ugd/ea2c45_13991277eefd49f49dc0548d2710f29d.pdf?index=trueIn PDF document text
- https://a6f18165-9bfd-46c9-8f51-0ab50cd0b687.filesusr.com/ugd/265c7a_f875c4d618b24ddfba2dd1eb1fb5930e.pdf?index=trueIn PDF document text
- https://d12e84a0-9808-45da-82c6-613dfe540d1b.filesusr.com/ugd/dc8a8e_0960643536404ed1bb8838ca62ecbec5.pdf?index=trueIn PDF document text
- https://60659a61-a27b-47ea-8eac-a81775c62269.filesusr.com/ugd/7a7fb1_698f86a0bb904a3ab57cadcd3942e8fa.pdf?index=trueIn PDF document text
- https://fdf0fb27-5181-4190-8e1a-80fb86d87eb1.filesusr.com/ugd/2410c9_b9ed4a28ac414305bb1e59811930d784.pdf?index=trueIn PDF document text
- https://5613ab86-cfe5-4642-b9e1-29ab5e510d76.filesusr.com/ugd/79e000_054f7e9afc534491a861938c11e466f0.pdf?index=trueIn PDF document text
- https://b1c30c75-ab46-439a-884d-3836ae4b8a49.filesusr.com/ugd/2d1648_81427f6da61f4b97978b13905ca4cd32.pdf?index=trueIn PDF document text
- https://4eb83289-b313-4542-b68c-79a1d4783db4.filesusr.com/ugd/f6336d_e1d959d142c74191adb6f4a7a97216d1.pdf?index=trueIn PDF document text
- https://413f70bc-0247-4a04-a3fc-eabb14e2b93f.filesusr.com/ugd/f18ee6_b7835566ab7044518f2eeb403044a340.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://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_off0000f280.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF280 | 5832 bytes |
SHA-256: 63b95ccfd5ca353700dd4ce2597bc3b2002276d3968a39aaf62bf3aa078beb95 |
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font_01_sfnt_off0001064d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1064D | 10956 bytes |
SHA-256: 85af1b2320120c969d01ade14f0519f66f89deb37c47f63711012b55544f329f |
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