Malicious PDF — malware analysis report

Static analysis result for SHA-256 f380f1ac42780fef…

MALICIOUS

PDF

80.5 KB Created: 2021-03-23 20:52:25 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 1e0dfed0557541b77a0f5307a9101a07 SHA-1: 721a96f1e899087c24c25812a1ef0265381deeee SHA-256: f380f1ac42780fefbcc51283cef279b7cdd6ec0e49f9f3f6b6ef8e62c287255c
96 Risk Score

Malware Insights

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

The file is a PDF document that contains an embedded URL, identified as a phishing lure. The ML classifier and ClamAV detection strongly indicate malicious intent. The embedded URL likely leads to a second-stage payload or phishing page, attempting to exploit the user's interest in strategic planning topics.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9996

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://pelibifir.ru/wix?keyword=advantages+and+disadvantages+of+swot+analysis+in+strategic+planning
    • http://bekopomulasebi.getenjoyment.net/kinesio_tape_ankle_sprain.pdf
    • https://cdn.sqhk.co/tivinarafuvu/gjgjf1z/dirt_trackin_2_update_apk.pdf
    • http://natosabi.mygamesonline.org/67115494049.pdf
    • https://cdn-cms.f-static.net/uploads/4445750/normal_6021d30588454.pdf
    • http://xogunajeraxuda.mywebcommunity.org/motorola_apx_6000_wireless_earpiece.pdf
    • http://welitizenowem.mywebcommunity.org/taco_bell_new_items_october_2020.pdf
    • http://minesaxofunawi.getenjoyment.net/101_killer_chess_strategies.pdf
    • https://cdn.sqhk.co/gepeduvo/hBig4ge/51167255540.pdf
    • https://cdn-cms.f-static.net/uploads/4366040/normal_605450e8c8cf3.pdf
    • http://volulolusawaz.mygamesonline.org/actualit_conomique_maroc_2020.pdf
    • http://deladinabixek.sportsontheweb.net/scert_delhi_books.pdf
    • https://cdn.sqhk.co/jugomuzuteb/MjecwpP/9707327769.pdf
    • https://cdn.sqhk.co/waxubisolo/8iiCwie/how_to_run_dead_by_daylight_ps4.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • https://uploads.strikinglycdn.com/files/214b7ac3-eeba-402f-9758-67825cf2d907/kuvedelupewasitofuxuzuke.pdf
    • http://fixidil.atwebpages.com/gaxafurevidu.pdf
    • https://uploads.strikinglycdn.com/files/16b2ad47-c3eb-4968-a6a2-311a279f8a74/bse_odisha_10th_class_physical_science_book_download.pdf
    • http://madepadejatutof.onlinewebshop.net/xokijemejoregubolitoruped.pdf
    • https://uploads.strikinglycdn.com/files/d6f676f9-fe93-4419-933d-9ce49a376674/49365120448.pdf
    • https://uploads.strikinglycdn.com/files/cbd7d1c4-d127-4897-83aa-f81bc27bb65c/22843541705.pdf
    • https://7afcd0b8-98df-42a4-afe0-9544d44c9539.filesusr.com/ugd/74e9cf_cebcee3bb5164e068c79cf669e42c044.pdf?index=true
    • https://023e3b0e-89aa-4e00-bd19-175c11a0a9c0.filesusr.com/ugd/5f4883_d80c5f09d9ee404c8491462bc43d9cdd.pdf?index=true
    • 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_off0000fd39.bin
e7af958a5debd4ebdcaf38bf016260fd28c49a81db177e9921636953d95b658c		 pdf-font-stream PDF embedded font (sfnt) at offset 0xFD39 5568 bytes
font_01_sfnt_off0001105e.bin
b22c8b08b9b9847b6662ee9267e44cf3cb0f67b0958db5a592f785d518777370		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1105E 10260 bytes

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