MALICIOUS
184
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
T1203 Exploitation for Client Execution
This PDF file was detected as malicious by ML classifiers and ClamAV, indicating a phishing or trojan threat. It contains a large number of external links, many hosted on disposable domains, suggesting a link farm designed to distribute malware or phish for credentials. The document body, though heavily obfuscated, appears to be a lure related to a specific book title, likely to attract users searching for that content.
Machine Learning
- Nyx PDF Classifier malicious score 0.8726
Heuristics 5
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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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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 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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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://zajinet.ru/award?keyword=operatoria+dental+barrancos+5ta+edicion+pdf
- http://womizepivilora.sportsontheweb.net/64213292476.pdf
- http://xonigej.mypressonline.com/saunders_nursing_drug_handbook_2020_free_download.pdf
- https://bimotozego.weebly.com/uploads/1/3/4/8/134885309/b063504641ad42f.pdf
- http://pakunobun.getenjoyment.net/how_to_clean_rubber_water_bottle_mouthpiece.pdf
- https://cdn-cms.f-static.net/uploads/4486548/normal_5fd79e98df19c.pdf
- https://taxufutusa.weebly.com/uploads/1/3/4/5/134514166/dafosodaze_pamedarexu.pdf
- https://pelosewedi.weebly.com/uploads/1/3/4/7/134753512/jopewaso.pdf
- https://static.s123-cdn-static.com/uploads/4410674/normal_5fe4d8595e2bd.pdf
- https://cdn-cms.f-static.net/uploads/4455657/normal_5fe734bb9e311.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- http://ruvemad.myartsonline.com/43439991268.pdf
- https://s3.amazonaws.com/lezopobigeza/416154628.pdf
- https://d1b33a7b-cde1-45d4-bc15-d4d3b6236ac5.filesusr.com/ugd/1d64af_0b724fc45d45458ca1d9be44074ac0ae.pdf?index=true
- https://f733e552-90a1-4d1f-83ca-a6b36afcf31c.filesusr.com/ugd/38bf1f_c03c27da349d432284218a25bf842556.pdf?index=true
- http://timerojulawu.myartsonline.com/trane_centrifugal_chiller_manual.pdf
- https://s3.amazonaws.com/zurovajij/55480893999.pdf
- http://xujided.onlinewebshop.net/statis_pro_baseball_rules.pdf
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e9fb.bind451873b908c565504305666891aeaf2ab009de6a965e90e6534597ccdeaf448 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE9FB | 5440 bytes |
font_01_sfnt_off0000fc80.bin10c6cf8f2fc5aa1ffacfaed9db2c846cd8253e592ea19ddd209fbcf30a8521e0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFC80 | 11784 bytes |
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