Malicious PDF — malware analysis report

Static analysis result for SHA-256 02169077716fc863…

MALICIOUS

PDF

82.6 KB Created: 2021-04-02 04:06:03 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 7b52600fd5c07df861644b69df4bb380 SHA-1: 22015f68fcdadf3ffd66038c4cce71361486caf0 SHA-256: 02169077716fc863779ef6f63fc426b866d174f270179f1fc3fa17c907c91cd7
96 Risk Score

Malware Insights

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

The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains an embedded URI pointing to a suspicious domain, likely intended to trick the user into downloading a further payload. Although no scripts were explicitly extracted, the PDF structure and embedded URI suggest a phishing or malware distribution attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9967

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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://ponafet.ru/award?keyword=srimad+bhagavatam+canto+1+pdf
    • http://vomamafawib.scienceontheweb.net/blaupunkt_pp5br.pdf
    • http://wtia.space/37295872272w54kt.pdf
    • http://raifaisentgo.online/kifigimebosujigesol8qin5.pdf
    • http://gejurabek.getenjoyment.net/angela_duckworth_grit_scale.pdf
    • https://cdn.sqhk.co/dulunukosep/ifpaE4G/92490830553.pdf
    • http://salimom.mygamesonline.org/47717674048.pdf
    • http://tryse.xyz/nojezonubafukulugenizalitvf2f1.pdf
    • http://pokemonrivals.online/nashville_number_system_chart_pianotry1g.pdf
    • http://lezigovedavide.getenjoyment.net/49984151543.pdf
    • https://cdn.sqhk.co/dodazija/ASxHjje/raft_survival_multiplayer_simulator_apk.pdf
    • http://pelinebaj.mypressonline.com/mcdonalds_application_form.pdf
    • http://duzusedolatepe.mypressonline.com/clinical_hematology_atlas_rodak.pdf
    • https://cdn.sqhk.co/tajiwikiter/6NqgixD/vofudaxerikojaxobev.pdf
    • http://cooldomen.space/voviwifizobolitov2s96v.pdf
    • https://cdn.sqhk.co/supuzeren/ajgghGy/52164659873.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • https://uploads.strikinglycdn.com/files/1031e28c-768b-49c9-ac14-503af920f8a5/meduvom.pdf
    • https://uploads.strikinglycdn.com/files/07ec60f3-fff0-4f1c-98e4-5bfa35449d85/how_do_you_describe_autumn_colors.pdf
    • https://uploads.strikinglycdn.com/files/6aea7586-a78b-4a77-9fc0-76a864923d2e/julius_caesar_act_3_scene_2_modern_translation.pdf
    • https://uploads.strikinglycdn.com/files/10cfd809-f4fd-4238-b913-d01b793da09d/tarovizedobovur.pdf
    • https://uploads.strikinglycdn.com/files/86eac293-ca74-4db7-bb5e-c735299cac7b/how_to_install_windows_7_from_usb_pen_drive_in_lenovo_laptop.pdf
    • https://uploads.strikinglycdn.com/files/9b8d170c-b45f-42c7-81d8-a4f27d6d5309/pugitig.pdf
    • http://pojoviraxerojo.myartsonline.com/little_scholastic_my_favorite_pets.pdf
    • http://zilowovuv.atwebpages.com/32145746807.pdf
    • https://uploads.strikinglycdn.com/files/c037429a-6f1d-40e5-8f00-095163e322b3/xedemamekevagod.pdf
    • http://todifisafi.atwebpages.com/runtuhnya_dinasti_abbasiyah.pdf
    • https://uploads.strikinglycdn.com/files/29adb085-c6e7-44c1-a4be-c4ba69653a4b/xenipufesosuwibige.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_off00010396.bin
dc631ffe5d9972e0b55e30407896883e5d15917572abeff845d9d9203b1ffd19		 pdf-font-stream PDF embedded font (sfnt) at offset 0x10396 5716 bytes
font_01_sfnt_off000116e7.bin
bfeda3c6c0d6a12e7c206beadbd7979dee224cf1d29ad6d4aa6b5121a8a9be77		 pdf-font-stream PDF embedded font (sfnt) at offset 0x116E7 10964 bytes

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