MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The file is a PDF document that contains an embedded URL pointing to a suspicious domain, identified by ClamAV as Pdf.Phishing.Trojan. The ML classifier also strongly indicated maliciousness. The document body, though heavily obfuscated, appears to be a lure related to 'learn russian lessons pdf', intended to trick users into clicking the malicious link. No scripts were extracted, but the presence of external URIs and the high ML score suggest a phishing or credential harvesting attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
Heuristics 4
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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://dafemum.ru/award?keyword=learn+russian+lessons+pdf
- http://gudelew.mywebcommunity.org/tajufelonufibuwatigonoto.pdf
- http://julivojurukumu.sportsontheweb.net/what_is_omb_circular_a-11.pdf
- https://patoduwewoz.weebly.com/uploads/1/3/1/4/131483118/biwusegavixok.pdf
- https://tuvitewolejuxow.weebly.com/uploads/1/3/4/6/134615754/519613.pdf
- http://brumbum3.xyz/22850728502k9i04.pdf
- https://cdn-cms.f-static.net/uploads/4487186/normal_600deb179a75e.pdf
- https://juzubuju.weebly.com/uploads/1/3/4/7/134703155/mipevapezin_voguwalabonalo_kuzelusefag.pdf
- https://zuzigiwasozobe.weebly.com/uploads/1/3/4/6/134676944/fcbfccc0c.pdf
- https://xetasigebe.weebly.com/uploads/1/3/4/4/134443645/redaderit-bavurutodumulib-tukuzuki.pdf
- http://smartcreditcheck.info/keurig_-_k-mini_k-cup_pod_coffee_makerldw9m.pdf
- http://jemulobapamiwu.mywebcommunity.org/rilomo.pdf
- https://cdn-cms.f-static.net/uploads/4369323/normal_5fd7b0abe53b6.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- http://vekemelegewimo.atwebpages.com/what_is_an_information_sheet.pdf
- https://s3.amazonaws.com/gagagakigibapo/charity_commission_reserves_policy_template.pdf
- https://s3.amazonaws.com/rejiner/mowajoku.pdf
- http://bodirinukamole.onlinewebshop.net/kasujufefelipiz.pdf
- http://gejizejaniwijef.atwebpages.com/aadhar_card_form_download_gujarat.pdf
- https://s3.amazonaws.com/tajimipojimo/96138517414.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_off00017dc2.bin81ab583c6586e9585898d460ca9cf46b904c59d057e2e39b790b58ab09df2085 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x17DC2 | 4976 bytes |
font_01_sfnt_off00018ec6.bind365174c32f8a90257b8103f0b90c483103e37d5f80aaeffec0dc7ca850ce03b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x18EC6 | 16576 bytes |
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