Malicious PDF — malware analysis report

Static analysis result for SHA-256 bb4bdd6b6391739c…

MALICIOUS

PDF

84.6 KB Created: 2021-04-09 17:04:16 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-07-13
MD5: 79c7ec917937d6892690787fd8527690 SHA-1: 0958b4132d826f9c930f334c0b95eabb5a295955 SHA-256: bb4bdd6b6391739c45bed61e8850afdb6068d9f352ac2c6b8512f9493ce665e2
136 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link T1059.007 JavaScript

The PDF file contains a social engineering lure related to an Xbox 360 controller issue, directing the user to the URL 'https://botokaw.ru/strik?utm_term=xbox+360+wired+controller+usb+device+not+recognized'. The 'SE_CLICKFIX' heuristic indicates that the document likely instructs the user to run a command, a common tactic for bypassing security measures. ClamAV also detected this file as a phishing trojan.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9996

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
  • ClickFix social engineering attack high SE_CLICKFIX
    Document instructs the user to press Win+R or paste a command into a terminal — consistent with ClickFix attacks that bypass macro restrictions by tricking users into running malicious commands directly
  • 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://botokaw.ru/strik?utm_term=xbox+360+wired+controller+usb+device+not+recognized PDF link annotation
    • http://reawolt.online/sindrome_de_peter_pan_y_wendyuitgc.pdfIn PDF document text
    • http://xivazokib.medianewsonline.com/vonovazupajajupeve.pdfIn PDF document text
    • http://samelike.site/quikrete_hydrated_lime_data_sheetab81k.pdfIn PDF document text
    • https://cdn.sqhk.co/nizivatitogu/8SyihdS/rexakakajipotivod.pdfIn PDF document text
    • http://rukozhop-guide.com/dikosoxiwifumesopowemarosiralz.pdfIn PDF document text
    • https://cdn.sqhk.co/salobosemiv/XMhiTFL/crushes_zombies_horde_smasher_with_your_fingers.pdfIn PDF document text
    • https://wemezixogasowed.weebly.com/uploads/1/3/1/6/131637562/xizuniz-rofuxor.pdfIn PDF document text
    • http://zuzavepojul.mygamesonline.org/english_to_german_words.pdfIn PDF document text
    • http://gradstroy.su/handbook_of_equine_wound_managementrn78q.pdfIn PDF document text
    • https://cdn.sqhk.co/tunaluvum/wheieg8/xoli_s_adventure_free_tower_defense_strategy_games.pdfIn PDF document text
    • http://medyayazilimtr.com/8453944470vy3p8.pdfIn PDF document text
    • https://cdn.sqhk.co/fagiseregu/biayiaW/68171536488.pdfIn PDF document text
    • https://vigoxanumevu.weebly.com/uploads/1/3/4/4/134466257/sevetozizimez.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.opentle.orgIn PDF document text
    • https://s3.amazonaws.com/vufupu/ruger_sr22_feed_problems.pdfIn PDF document text
    • http://dipagepe.atwebpages.com/52530374358.pdfIn PDF document text
    • https://s3.amazonaws.com/bamepofewalada/android_tablet_charger_argos.pdfIn PDF document text
    • https://s3.amazonaws.com/gaxuremewuger/ledebuje.pdfIn PDF document text
    • http://kutezowifemiwe.epizy.com/14961687686.pdfIn PDF document text
    • https://s3.amazonaws.com/robumuduluwise/responsive_email_template_github.pdfIn PDF document text
    • http://zalufebali.rf.gd/american_truck_simulator_apk.pdfIn PDF document text
    • http://zirofasorajama.epizy.com/arteri_dorsalis_pedis.pdfIn PDF document text
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
    • http://purl.org/dc/elements/1.1/In PDF document text
    • http://ns.adobe.com/pdf/1.3/In PDF document text
    • http://ns.adobe.com/xap/1.0/In PDF document text
    • http://ns.adobe.com/xap/1.0/mm/In PDF document text
    • http://ns.adobe.com/xap/1.0/rights/In PDF document text
    • http://scripts.sil.org/OFLIn PDF document text
    • http://www.gnu.org/licenses/gpl.htmlIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000fa49.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFA49 5744 bytes
SHA-256: cf882467ea692c2f0324d18596a520801dcd041cad5b9eb6b68dc8bd7d74cff0
font_01_sfnt_off00010df9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10DF9 6148 bytes
SHA-256: be38186c9256ba0e64b07d34cca2e63b176d3ffd182ae4667a642b503e748fe0
font_02_sfnt_off00011dd9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11DD9 11328 bytes
SHA-256: 08f9c6039e98e48d32c1d1d3165446129903e7ca4bad8532f7a28d3f14debc10

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