Malicious PDF — malware analysis report

Static analysis result for SHA-256 69387c9dc23fe984…

MALICIOUS

PDF

59.6 KB Created: 2021-06-01 13:29:08 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: d70d4418ed25c65c01361180eaa34c3b SHA-1: 71b26714754b47ffbf42ffa544dede6635dc46ec SHA-256: 69387c9dc23fe9843e63ffebc137f966c0fdd3f37ecc6a8be8c4fbd10dbc20ff
154 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF file exhibits characteristics of a link farm, containing numerous external links to other PDF documents. The presence of the 'PDF_SEO_LINK_FARM' heuristic and the high number of extracted URLs suggest an attempt to manipulate search engine rankings or distribute content through a network of linked files. While no scripts were directly extracted, the nature of the PDF and its embedded links indicate a potential for malicious redirection or content delivery, aligning with the 'Spearphishing Attachment' initial access technique.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9084

Heuristics 4

  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • 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
  • 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://pistant.ru/pbw?utm_term=peter+and+the+starcatcher+score+pdf
    • https://cdn-cms.f-static.net/uploads/4420905/normal_60179ba794993.pdf
    • https://cdn-cms.f-static.net/uploads/4499283/normal_604424e0906fa.pdf
    • https://static.s123-cdn-static.com/uploads/4452846/normal_60054735112ff.pdf
    • https://girusetobar.weebly.com/uploads/1/3/1/0/131071114/6811986.pdf
    • https://kijesutezex.weebly.com/uploads/1/3/5/3/135328712/ab6e892ad75.pdf
    • https://lulaxakopoto.weebly.com/uploads/1/3/4/3/134331182/e56be670d6cf2.pdf
    • https://cdn-cms.f-static.net/uploads/4495846/normal_600a6bf427bd8.pdf
    • https://nofexozodaxo.weebly.com/uploads/1/3/4/5/134522082/dububijumixe.pdf
    • https://cdn-cms.f-static.net/uploads/4454180/normal_603e85b8c7939.pdf
    • https://cdn-cms.f-static.net/uploads/4379733/normal_601c7b40721bc.pdf
    • https://cdn-cms.f-static.net/uploads/4385436/normal_60146a0e83012.pdf
    • https://static.s123-cdn-static.com/uploads/4380695/normal_5ff6d019038a0.pdf
    • https://batebabegusuk.weebly.com/uploads/1/3/1/4/131437625/a0e8455.pdf
    • http://gosirata.pbworks.com/f/tableau_de_rpartition_des_charges_indirectes_exercices_corrigs.pdf
    • https://uploads.strikinglycdn.com/files/bd158f65-a10c-4e9d-88fe-15c1540a80f1/coursera_machine_learning_week_3_quiz_answers_2019.pdf
    • https://uploads.strikinglycdn.com/files/b45b5ff2-4dd4-4640-afde-4e5ecec32c0b/nogixatusikuduwenabozivow.pdf
    • http://mumasenekera.pbworks.com/w/file/fetch/144426810/adding_and_subtracting_decimals_word_problems_worksheets_6th_grade.pdf
    • https://uploads.strikinglycdn.com/files/1d2cf011-e142-4a19-b1f0-78011fe9dbea/digital_design_engineer.pdf
    • https://uploads.strikinglycdn.com/files/73a5fb8c-2c31-499f-bead-85876b07ca32/takukuwudegad.pdf
    • http://lekipirunezi.pbworks.com/f/junior_software_developer_technical_interview_questions_and_answers.pdf
    • http://xoxafepapesu.pbworks.com/f/how_to_calculate_punching_shear_perimeter.pdf
    • http://nusuwoxub.pbworks.com/w/file/fetch/144414738/velocity_time_graph_worksheet_answers.pdf
    • http://dipoziw.pbworks.com/w/file/fetch/144451965/how_to_replace_battery_kenneth_cole_watch.pdf
    • http://bawamotijeku.pbworks.com/w/file/fetch/144446637/chemistry_lab_equipment_activity_answer_key.pdf
    • https://uploads.strikinglycdn.com/files/15f3c47a-ee4e-45a3-ad99-68cc0cb00584/ejemplo_de_guion_obra_de_teatro.pdf