MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document contains a large number of external links, many hosted on disposable domains, suggesting a link farm or phishing campaign. The ML classifier and ClamAV detection strongly indicate maliciousness. The document's content, though heavily obfuscated, appears to be a lure for users searching for technical information, directing them to potentially malicious external sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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://pelibifir.ru/strik?utm_term=how+to+add+image+to+picturebox+dynamically+in+c%2523 PDF link annotation
- https://gokasesebigi.weebly.com/uploads/1/3/3/9/133986942/mawajasusodek.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4444649/normal_6015159483ecb.pdfIn PDF document text
- https://cdn.sqhk.co/dopebuxoz/mBjhZ0k/30420442303.pdfIn PDF document text
- https://vezutokabev.weebly.com/uploads/1/3/4/7/134758566/dukedadobejane.pdfIn PDF document text
- https://cdn.sqhk.co/fomeluxilim/wYhi5zN/joker_mask_photo_editor_online.pdfIn PDF document text
- https://povefedonigo.weebly.com/uploads/1/3/1/6/131637150/f5375b4.pdfIn PDF document text
- http://hocostyle.ru/sowinitofodavatalukonatojuq23c.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4480148/normal_5fc94d385e086.pdfIn PDF document text
- https://lefafikof.weebly.com/uploads/1/3/0/9/130969708/sipekimifetaxix.pdfIn PDF document text
- https://cdn.sqhk.co/pedagukar/hgp4HCu/49661664343.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4416514/normal_603b51be3b9a8.pdfIn PDF document text
- https://sexanugujox.weebly.com/uploads/1/3/4/2/134266496/madave.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4368970/normal_60405950ee750.pdfIn PDF document text
- https://jijemelagif.weebly.com/uploads/1/3/4/0/134016961/1d483dde5291c.pdfIn PDF document text
- http://avto-trokot.xyz/careco_eclipse_mobility_scooter_manualn9e1y.pdfIn PDF document text
- http://www.opentle.orgIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://89d9876f-4e47-4433-ab5b-8da47ae3ae5c.filesusr.com/ugd/37c326_420e71cb8c7248839bcfedbc2dcb0eaa.pdf?index=trueIn PDF document text
- https://9e7b01ce-91ce-414a-93c5-ade8df4b7359.filesusr.com/ugd/cfbfd2_1fae4ce09d9944479ef4d880fd079072.pdf?index=trueIn PDF document text
- https://4cf6c2b4-cd84-4b73-83b1-bf7f441162b2.filesusr.com/ugd/e50c99_9a56c5c54c73463e92cfb393fa8a9677.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://www.gnu.org/licenses/gpl.htmlIn PDF document text
- http://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
stream_003_off00011c12.bin |
decompressed-pdf-stream | PDF FlateDecoded stream at offset 0x11C12 | 14112 bytes |
SHA-256: 1f7dbf127a449266d00cc8b505c7de88aa5b0ac1dd739ab03a0df5d882544219 |
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font_00_sfnt_off00010925.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10925 | 5580 bytes |
SHA-256: bb8d2fd3ce6e9de2aa4c4b62113f4daf291cffc6a6474dee39d6681829dbf8cd |
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font_02_sfnt_off000143f8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x143F8 | 11420 bytes |
SHA-256: b5955cacec04979da05d026ec9047c67599dc54daac2c24eb4c4d3ed539cbab5 |
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