MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of external links, many pointing to Weebly and other free hosting services, suggesting a link farm or redirection mechanism. The primary URL, 'https://traffnew.ru/123?utm_term=calculus+10e+textbook+pdf', is presented as a calculus textbook, which is a common lure for phishing or malware distribution. ClamAV detection as 'Pdf.Phishing.Trojan' further supports a malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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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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://traffnew.ru/123?utm_term=calculus+10e+textbook+pdf
- https://zunovuxosuseso.weebly.com/uploads/1/3/4/4/134497136/liruto-xegibevuve-suzolov.pdf
- http://tubezadobuzaro.66ghz.com/free_business_card_mockup_psd.pdf
- https://site-1192291.mozfiles.com/files/1192291/81430158690.pdf
- https://sibevuguz.weebly.com/uploads/1/3/4/8/134859718/lewizis.pdf
- https://site-1225854.mozfiles.com/files/1225854/facilitator_guide_examples.pdf
- https://cdn.sqhk.co/kitaparek/SyhfBge/sniper_full_movie_2016.pdf
- https://site-1249145.mozfiles.com/files/1249145/sefazenufadegitemasug.pdf
- https://cdn.sqhk.co/fisejadiruw/if1Gie3/96067114850.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://s3.amazonaws.com/vebogotexaf/96883653885.pdf
- http://semewefiji.rf.gd/pegajufir.pdf
- https://s3.amazonaws.com/pogolo/cst_performance_suspension.pdf
- https://s3.amazonaws.com/gizonukorad/doubles_plus_one_addition_worksheet.pdf
- https://s3.amazonaws.com/lusabifef/become_tour_guide_in_japan.pdf
- http://gevorewububew.epizy.com/99213873319.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_off0000bb5b.bin19fe0b5c90f66f1130acd802ed360eb599951d84261fad8b71860721f163358e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBB5B | 5424 bytes |
font_01_sfnt_off0000cdde.bin71b9ec1b58fa04ce3a2f37f5e699260454a2b12f89d29b270ccbbed6e4f16f51 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCDDE | 10360 bytes |
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