MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF document contains a large number of external links, many hosted on disposable domains, suggesting a link farm designed to drive traffic or potentially distribute further malware. The heuristic firings indicate this is a malicious PDF, likely a phishing or trojan distribution attempt. The ML classifier and ClamAV detection strongly support its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9994
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://gimoguvi.ru/award?keyword=encyclopedia+of+buddhism+pdf PDF link annotation
- https://cdn-cms.f-static.net/uploads/4394068/normal_603afedac2f26.pdfIn PDF document text
- https://jafipununevov.weebly.com/uploads/1/3/0/8/130814040/3543112.pdfIn PDF document text
- https://wavenugila.weebly.com/uploads/1/3/4/8/134852162/8775656.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4366949/normal_5fe313d755bd7.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4392650/normal_5fefb5d99a117.pdfIn PDF document text
- https://cdn.sqhk.co/kibutonap/7gcPjiY/disco_music_videos_70_80_90_s.pdfIn PDF document text
- https://cdn.sqhk.co/dujovibipu/gehbP5L/10216824817.pdfIn PDF document text
- https://cdn.sqhk.co/guzoladip/gdhjThg/96276389992.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4492281/normal_5febf7b73d38a.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4426421/normal_603b7d66a027c.pdfIn PDF document text
- http://hamlikjorettoop.ru/titan_quest_anniversary_edition_cheats2g95c.pdfIn PDF document text
- https://rofekituluz.weebly.com/uploads/1/3/2/3/132303072/panefivuzuda.pdfIn PDF document text
- https://bakurisevujukuj.weebly.com/uploads/1/3/4/3/134368754/xawarigi.pdfIn PDF document text
- http://iblack.space/798916287073bszs.pdfIn PDF document text
- http://rasprodavaika.ru/63154781549pnkvl.pdfIn PDF document text
- https://cdn.sqhk.co/vinogusi/ifKPnhc/kuwaweroweg.pdfIn PDF document text
- https://cdn.sqhk.co/davusegeb/GXid3l9/53633055826.pdfIn PDF document text
- https://cdn.sqhk.co/xoxamomajil/fByYelC/nipogefafumajetiran.pdfIn PDF document text
- https://cdn.sqhk.co/girolivudafo/WRheghH/semopinebaposafurezolis.pdfIn PDF document text
- http://wtia.space/cosmopolitan_las_vegas_restaurantsbmf38.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://770ad53b-b55e-4e58-b1eb-3709f41304f7.filesusr.com/ugd/98e298_f8a4265fc1fd4c9a9e9c837729e56d40.pdf?index=trueIn PDF document text
- https://923a8ca3-316b-4844-b38f-9bc955ad4852.filesusr.com/ugd/312e0e_8b28dd44135a47dcaa97a9ad0d2f1029.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_off00018b26.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x18B26 | 5496 bytes |
SHA-256: 31a70b597953c0e4546908b90fc98916feb1e4119a8ea4dfc91320dd128a05c2 |
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font_01_sfnt_off00019dc4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x19DC4 | 10540 bytes |
SHA-256: c53ce51c02b979e3cc0de970937dd413ca3bdc4c873c74e5379e55e84db8f6c3 |
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