MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The file is identified as malicious by ClamAV and an ML classifier, with heuristics indicating a malformed exploit stream and a redirector link. The embedded URL, https://leonvi.ru/123?utm_term=liferay+6.+2+developer+guide, is presented as a lure for a 'free-download phishing' attack. Although no scripts were explicitly extracted, the PDF structure and exploit indicators suggest it may contain embedded JavaScript or other active content designed to facilitate the phishing attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINKPDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
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Malformed active-content stream length medium PDF_MALFORMED_EXPLOIT_STREAM_LENGTHA PDF stream that carries active/exploit-looking content has a declared /Length that does not match the recovered stream body. Malformed stream boundaries and length mismatches are common parser-evasion/supporting evidence around Reader exploit streams.
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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://leonvi.ru/123?utm_term=liferay+6.+2+developer+guide PDF link annotation
- http://mulisefetijasal.iblogger.org/3.5_e_eberron_campaign_setting.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4478928/normal_603e16e27947a.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4378406/normal_600265ad8448e.pdfIn PDF document text
- http://vaxunugaso.22web.org/fluke_116_323_review.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4416131/normal_602dd65e65678.pdfIn PDF document text
- http://sizedolofi.iblogger.org/libro_el_secreto_poder_de_la_atraccion.pdfIn PDF document text
- https://xidumalebuwun.weebly.com/uploads/1/3/4/8/134894794/kadav-xofipowo-fulemilalobunom.pdfIn PDF document text
- http://vevebopawo.mywebcommunity.org/49174714090.pdfIn PDF document text
- https://rawutakoze.weebly.com/uploads/1/3/4/3/134326806/5384022.pdfIn PDF document text
- https://wivaralizufijol.weebly.com/uploads/1/3/1/4/131483386/pokoniji.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://zitadufafasid.onlinewebshop.net/price_of_hp_elitebook_8440p.pdfIn PDF document text
- http://kubomefewofumim.atwebpages.com/1999_dt466_torque_specs.pdfIn PDF document text
- https://s3.amazonaws.com/jepinebawo/blow_horn_ringtone.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/fb7aed3c-e6a3-48c5-a745-fe27efdebb4d/how_to_fix_my_schlage_keypad_lock.pdfIn PDF document text
- https://s3.amazonaws.com/feliso/bogifiwelixesutokupup.pdfIn PDF document text
- http://datidogebe.epizy.com/cidr_full_form_in_aadhar.pdfIn PDF document text
- http://sobakijej.rf.gd/brownie_household_elf_requirements.pdfIn PDF document text
- https://s3.amazonaws.com/jedobufudajewu/thesis_writing_guide_ppt.pdfIn PDF document text
- https://s3.amazonaws.com/gifiz/89097341201.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/7b52b446-210f-4edb-88c6-7bb2d157fad8/69223594087.pdfIn PDF document text
- https://s3.amazonaws.com/fukepez/19386728054.pdfIn 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_off0000ca8f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCA8F | 5452 bytes |
SHA-256: 6f8ca37ad792c6c70c029a4f7f8c23df3f910569bffbd1e2fbd1f773ac8f88c4 |
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font_01_sfnt_off0000dd4f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDD4F | 10148 bytes |
SHA-256: df083f6fb0b9107dd97062828b29668b8489be7163fb1f720240a885340addb8 |
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