PDF malware analysis — malicious · fff260754e403931

MALICIOUS

PDF

75.2 KB Created: 2021-02-28 05:22:16 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-23

MD5: d7aa7f3dca4df89bbced4d6873817c59 SHA-1: 1116e840e93930937a589cff8ec58660b9043d42 SHA-256: fff260754e403931e6bb5175e517bb270d71fc9ee5177ff56b6a948b5d2be2f0

96 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds external URLs that direct users to attacker-controlled resources. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

Nyx PDF Classifier malicious score 0.9998

Heuristics 4

ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
External URI info PDF_URI

PDF contains an external URL action
Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL

The 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.
Embedded URL info EMBEDDED_URL

One 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://fokemale.ru/strik?utm_term=what+is+to+finish+off PDF link annotation
- https://cdn.sqhk.co/besiwowegin/weY4hcM/bevuvubinomazapib.pdfIn PDF document text
- https://cdn.sqhk.co/tamurikubol/cPhePgg/36241220329.pdfIn PDF document text
- http://wegubutiwamaf.22web.org/gemiriwojatimidu.pdfIn PDF document text
- http://sopugepibimel.mypressonline.com/lamovuzajoreronitotejov.pdfIn PDF document text
- https://cdn.sqhk.co/tokarikadez/jc5SBtu/revamenuwuxovirerezivamo.pdfIn PDF document text
- http://lojapidabud.mypressonline.com/75658121891.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://luvojidepezepag.epizy.com/romeo_and_juliet_piano_sheet_music_tchaikovsky.pdfIn PDF document text
- http://volemefejosi.rf.gd/jumbled_sentences_worksheet_for_grade_7.pdfIn PDF document text
- https://s3.amazonaws.com/zaxawetawupo/navy_basic_training_packing_list_2020.pdfIn PDF document text
- https://s3.amazonaws.com/firudegix/gukorigoxevazobolavowam.pdfIn PDF document text
- http://jokosen.atwebpages.com/5638522036.pdfIn PDF document text
- https://s3.amazonaws.com/vaxebisapesi/fruit_smoothie_recipes.pdfIn PDF document text
- https://s3.amazonaws.com/xugigabitulu/ammonium_formate_sigma.pdfIn PDF document text
- http://sunapasu.epizy.com/milpersman_1306_extension.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_off0000e944.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xE944	4740 bytes
SHA-256: `c15e28ac57d00aa321de8c8e75463047600c306e7bab9e4d410879f38f8fabe4`
`font_01_sfnt_off0000f973.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xF973	11404 bytes
SHA-256: `e7afa3e85d47fd89399f61eb53b3d1ebb186a82941a381fbebfe0c99d99b6faa`

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