Malicious PDF — malware analysis report

Static analysis result for SHA-256 7d7376e0b15c21ba…

MALICIOUS

PDF

70.7 KB Created: 2021-03-18 06:28:21 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 1f533b3fbaf9b0781aa4ab4db66b283e SHA-1: d6a80da52de5250ed0c630117104d2d3d3c07ae9 SHA-256: 7d7376e0b15c21baff5e8ef6ffa17953ef8b2222528102d09262039a82e70150
96 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF was flagged by multiple heuristics, including a critical ClamAV detection and an ML classifier, indicating malicious intent. An embedded URI points to 'https://lozipotod.ru/wix?keyword=mother+3+gba+amazon', suggesting a phishing or malware distribution lure. While no scripts were explicitly extracted, the PDF structure and embedded URI are strong indicators of a phishing attack, likely attempting to redirect the user to a malicious site.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

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://lozipotod.ru/wix?keyword=mother+3+gba+amazon
    • http://mavaxur.mywebcommunity.org/jack_and_the_beanstalk_movies_from_1990s.pdf
    • http://bibivire.mygamesonline.org/tofisagidana.pdf
    • http://zugobopepoj.sportsontheweb.net/6501262614.pdf
    • http://makelemeg.mygamesonline.org/antiemeticos_quimioterapia.pdf
    • http://zeweduzu.iblogger.org/car_cartoon_song.pdf
    • http://nomenowunesazoz.scienceontheweb.net/was_the_movie_shining_through_based_on_a_true_story.pdf
    • http://rawoxaxevog.mygamesonline.org/widirewisagudatozesetexi.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • https://989eff4c-946f-4221-9817-1a8d60f2082d.filesusr.com/ugd/7edf14_877489948c0443628c3dce4d0e7a74d3.pdf?index=true
    • https://uploads.strikinglycdn.com/files/b2f467b5-2a42-4ccd-9daa-8c5cf518bcc5/great_lakes_naval_training_center_address.pdf
    • https://3f46bf15-0a8c-4e80-b3e5-a2e3bf90e008.filesusr.com/ugd/8e6e76_2007a839d38746e69a631d15b738eb20.pdf?index=true
    • http://gibidapasajug.atwebpages.com/titobizu.pdf
    • http://luzowotobor.rf.gd/types_of_cultural_diffusion_ap_human_geography.pdf
    • http://kaderuzaxaje.rf.gd/android_support_library_autosize_textview.pdf
    • http://kakasis.onlinewebshop.net/vimog.pdf
    • http://purewowesajumu.myartsonline.com/13648383084.pdf
    • http://xakagigoneliv.myartsonline.com/49196345195.pdf
    • https://cae2aa39-5014-47ec-b549-0fed73f36d02.filesusr.com/ugd/c8683e_66dad50111fd4911822c2c7d94dfe626.pdf?index=true
    • http://sarutufasiko.atwebpages.com/dakur.pdf
    • https://a2c67b61-a01d-4053-b7ad-f1487bca8054.filesusr.com/ugd/24853a_de4819696cc748caa37b2ab0e369f5cd.pdf?index=true
    • https://uploads.strikinglycdn.com/files/d842a5a6-2f95-4879-a752-dcc9a8a324b2/how_do_you_handle_stress_in_your_life.pdf
    • http://teropisarazo.myartsonline.com/merexaxituxadujose.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.

FilenameKindSourceSize
font_00_sfnt_off0000d850.bin
0ade343ea4d54a97a28c1eaf833fcc0579e744b654652089aa49982c8522e30a		 pdf-font-stream PDF embedded font (sfnt) at offset 0xD850 5248 bytes
font_01_sfnt_off0000ea1c.bin
00c3d89209f7a1e793a9caba885b6febc676839a08740e12efa7a9393eaae66f		 pdf-font-stream PDF embedded font (sfnt) at offset 0xEA1C 10608 bytes

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