Malicious PDF — malware analysis report

Static analysis result for SHA-256 9e59d2ed676b97ba…

MALICIOUS

PDF

47.6 KB Created: 2021-04-04 08:53:59 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 17126def5a2676866ed36ac8ab28665a SHA-1: a90d54633d69949dec23d68ed0e1101585433575 SHA-256: 9e59d2ed676b97ba280541488b1c4ba0b928628bf91b68f706bd2b28d502a08d
174 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF is identified as a phishing lure due to its image-only nature and embedded clickable link. The heuristic 'PDF_IMAGE_LURE' indicates a common tactic where a screenshot masquerades as a document to trick users into clicking an external URL. The presence of numerous external links, including 'http://aromaita.space/biblia_de_estudio_thompson_descargarw3ll1.pdf', suggests a link farm or distribution point for malicious content. ClamAV detection further supports its malicious classification.

Machine Learning

  • Nyx PDF Classifier malicious score 0.7903

Heuristics 5

  • 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-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
    PDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 47 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
  • 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://fokemale.ru/award?keyword=samsad+bengali+to+english+dictionary+pdf+free+download+for+pc
    • http://aromaita.space/biblia_de_estudio_thompson_descargarw3ll1.pdf
    • http://masterpowerpoint.com/amaze_file_manager_cracked_apk4mihe.pdf
    • http://rojepaj.iblogger.org/washington_state_law_unmarked_police_cars.pdf
    • http://jazajozem.iblogger.org/cambridge_primary_science_5_worksheets.pdf
    • http://vesefotaso.iblogger.org/audre_lorde_zami_excerpt.pdf
    • http://comforfemj.fun/31036002492c5qk6.pdf
    • http://hookup157.online/un_monstruo_viene_a_verme_descargarw4vqe.pdf
    • https://s3.amazonaws.com/mibiwivanetuj/9449083764.pdf
    • https://s3.amazonaws.com/fexuror/17930439981.pdf
    • https://51364a6b-283d-4537-b9df-48522fd8faf2.filesusr.com/ugd/921180_ae0104525e47459dbb9d9bc5a3d9208e.pdf?index=true
    • http://mepigaruvuj.rf.gd/toontown_fishing_guide.pdf
    • https://s3.amazonaws.com/bubeto/barcelona_vs_villarreal_4-_4.pdf
    • http://fazafowunop.epizy.com/sparknotes_lord_of_the_flies_chapter_2_quiz.pdf
    • https://s3.amazonaws.com/ximupuv/lock_picking_gun_kit.pdf
    • https://46a1ac71-481d-4a85-b709-d40f3a189542.filesusr.com/ugd/143c98_cc413466d3a345d7a31ff9c21497b54f.pdf?index=true
    • https://e114ad41-1367-46fe-a5fd-427bf640f69d.filesusr.com/ugd/a63c55_b3bd0d5d789f49078441c84c30b259f9.pdf?index=true
    • http://nesitobika.rf.gd/how_to_change_aspect_ratio_on_hitachi_tv.pdf
    • http://foduwisidowej.rf.gd/75586916170.pdf
    • https://s3.amazonaws.com/liluvad/79956631077.pdf
    • http://ratazudawi.epizy.com/87352019240.pdf
    • https://2cfcb734-ec62-4cd9-b61c-03d4762ad765.filesusr.com/ugd/a891c0_bcdb8d66663545a6a77e98b115ba3af6.pdf?index=true
    • https://s3.amazonaws.com/sefipa/dopafozemokudilifep.pdf

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