Malicious PDF — malware analysis report

Static analysis result for SHA-256 cc22265a3f379cce…

MALICIOUS

PDF

67.8 KB Created: 2021-03-20 09:57:20 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 1b48ce43004b02263c112154f6d8684e SHA-1: 128469ba0c5b8f9ec88b7b4c962ec63a6ef8c7bd SHA-256: cc22265a3f379ccea1a892c83d5e53cc3e54eb36360ef396f6d2b2a3cdb294e3
116 Risk Score

Malware Insights

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

The file is a PDF document identified as malicious by ML classifiers and ClamAV. It contains an embedded URL pointing to a suspicious domain, suggesting it's used for phishing or to download further malicious content. The document body, though heavily obfuscated, appears to reference 'Wansview app setup', indicating a lure to trick users into clicking the link.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • QR-code redirect lure medium SE_QR_LURE
    Document instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
  • 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://seumenha.ru/strik?utm_term=wansview+app+setup
    • http://nepoxiduvilej.scienceontheweb.net/pawuwopi.pdf
    • http://tezuveripoxub.mypressonline.com/heated_throw_stopped_working.pdf
    • http://muxoman.mygamesonline.org/9346817645.pdf
    • http://gagerovovus.22web.org/beach_background_free.pdf
    • https://cdn.sqhk.co/gobamagedesi/mEgbVyu/sidomanol.pdf
    • https://cdn.sqhk.co/zotofoza/OieicV7/tic_tac_toe_tk_python.pdf
    • https://cdn.sqhk.co/jimumakevaji/jitjf2e/16426647078.pdf
    • http://vowewudimo.mypressonline.com/xaledikeporafi.pdf
    • https://cdn.sqhk.co/vuzilogabuwu/bDgh3HE/wifi_password_hack_android.pdf
    • https://cdn.sqhk.co/fafojipedul/hjhaif6/african_animal_sounds_free.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • http://sujawokasafu.onlinewebshop.net/rasipifafefovuma.pdf
    • https://s3.amazonaws.com/fogibi/72773132218.pdf
    • https://s3.amazonaws.com/fadadedezeker/bugowunasojepasunidamutek.pdf
    • http://bowegasobufur.myartsonline.com/8086_microprocessor_assembly_language.pdf
    • http://wififeju.atwebpages.com/kojanubofipi.pdf
    • http://nilipinuz.rf.gd/46229912278.pdf
    • https://s3.amazonaws.com/farokof/vagajifituw.pdf
    • http://zutugidod.onlinewebshop.net/tafavudedoniloxurukofili.pdf
    • https://s3.amazonaws.com/zafirawit/how_to_activate_tracfone_sim_card.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_off0000cd6e.bin
8f73916306d557b3bd614075fe0050929e38a3e13d9db7fa5bdaf6461edc8e1b		 pdf-font-stream PDF embedded font (sfnt) at offset 0xCD6E 4848 bytes
font_01_sfnt_off0000de20.bin
1dc5dbf8927edaf5165829c59acc3a844d00219c45980805abceb15dfca0a3ef		 pdf-font-stream PDF embedded font (sfnt) at offset 0xDE20 10724 bytes

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