PDF malware analysis — malicious · 2452d854708de36b

MALICIOUS

PDF

78.5 KB Created: 2021-03-25 00:12:09 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 847ce25959b71b49c9ab90e86a4ea242 SHA-1: 7c93e42af481e933a9c4312a9147c07bb906bfc9 SHA-256: 2452d854708de36bb10fe1267699e38aaff8d670ded606fbafca0bc7afe34f4c

96 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF file contains an embedded URL that directs users to a suspicious domain, likely for phishing or malware distribution. The ML classifier and ClamAV detection strongly indicate malicious intent. The document body, though heavily obfuscated, suggests a lure related to sports information to entice clicks on the malicious link.

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://soxebez.ru/wix?keyword=offsides+in+soccer+spanish
- https://tutamedu.weebly.com/uploads/1/3/1/8/131856186/2527962.pdf
- https://vizegibog.weebly.com/uploads/1/3/4/4/134458583/6786164.pdf
- https://cdn-cms.f-static.net/uploads/4380531/normal_605b33bcdf6bb.pdf
- https://cdn-cms.f-static.net/uploads/4427499/normal_5fe6d286d3966.pdf
- https://static.s123-cdn-static.com/uploads/4445754/normal_5ffe166d7b479.pdf
- https://cdn.sqhk.co/lajoroteb/qoGIrje/zefixofidowev.pdf
- https://folenepawesig.weebly.com/uploads/1/3/2/6/132680852/72eacb.pdf
- https://cdn.sqhk.co/zeburozupax/5idhc1c/92743010702.pdf
- https://cdn-cms.f-static.net/uploads/4491671/normal_60471d47c46ed.pdf
- https://cdn.sqhk.co/xusorawoka/hbhdgjO/best_movie_sites_for_android.pdf
- https://cdn-cms.f-static.net/uploads/4467287/normal_60450e82cad2d.pdf
- https://cdn.sqhk.co/jogeguzotire/eheiigc/wewirov.pdf
- https://cdn.sqhk.co/zuwasowoset/fjdImid/luvabumitineg.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://s3.amazonaws.com/bulikowexunepov/66204846320.pdf
- https://uploads.strikinglycdn.com/files/759d582d-03dc-4d5a-aa1f-f506e66625a5/94376078642.pdf
- https://s3.amazonaws.com/suximawo/cam_8_listening_test_1_answers.pdf
- https://uploads.strikinglycdn.com/files/679a88d1-2bdf-48ce-b456-6a44445d3b0c/dekobomaro.pdf
- https://s3.amazonaws.com/fejififimaketo/tutoxujadapukumesegipolo.pdf
- https://s3.amazonaws.com/mudurixo/jiwotafu.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_off0000f47a.bin` `854184560f6d3f6353bc885f6288789bc14023024bcafb89008e2ae9a5310fc9`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xF47A	5240 bytes
`font_01_sfnt_off00010648.bin` `27a76da60ea1c69477eb4b3bec611643d7a491ec4fae48f8f55498313ddd1317`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x10648	11992 bytes

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