MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous external links, many hosted on disposable domains, suggesting a link farm or phishing lure. The primary URL, 'https://pelibifir.ru/strik?utm_term=does+amazon+prime+have+fifty+shades+of+grey', is designed to trick users searching for specific content into visiting a malicious site. ClamAV detection and ML classification confirm the malicious nature of the document.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 5
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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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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=does+amazon+prime+have+fifty+shades+of+grey
- https://static.s123-cdn-static.com/uploads/4380700/normal_5fdd40016b2ed.pdf
- http://rowaxuxot.22web.org/manualidades_con_palos_de_paleta.pdf
- https://cdn-cms.f-static.net/uploads/4481423/normal_6022e7f19fdb7.pdf
- https://cdn-cms.f-static.net/uploads/4380881/normal_6011e0511be45.pdf
- https://cdn-cms.f-static.net/uploads/4417029/normal_5fe6c09da3fbd.pdf
- http://xujimutisep.iblogger.org/kigelinajudefenabovub.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- http://vukenorap.epizy.com/significant_figures_worksheet_with_answers_chemistry.pdf
- http://kusofiwu.epizy.com/kigizinetakoj.pdf
- http://vupafigimewex.rf.gd/kasanivixode.pdf
- https://s3.amazonaws.com/jaxesabi/nevazonogumibusatobim.pdf
- http://luwawabegopit.rf.gd/how_to_assess_for_bipolar_depression.pdf
- http://pevajaxujob.epizy.com/gutolexejapexal.pdf
- http://penisidisipifo.rf.gd/xomorijawonamopawi.pdf
- https://s3.amazonaws.com/fidobakipivogit/zulow.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d60b.binfd67955cfdb1d880f37407154e1916763d291c678d76752898797f4e6efb95a8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD60B | 5636 bytes |
font_01_sfnt_off0000e92b.binc35089e4281d0a46714d8a43bcdeb9d00ab5dec2a22971c55fbf663a74b56a0b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE92B | 10936 bytes |
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