Malicious PDF — malware analysis report

Static analysis result for SHA-256 ad074cd6031a0162…

MALICIOUS

PDF

69.3 KB Created: 2021-05-15 21:30:45 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 43d302c4fa228a10cf3cab2304d780ea SHA-1: 85b7178339df6fe5ffeb9959fd881de5a177cdc8 SHA-256: ad074cd6031a0162c94e69f8b494bca2b7f765e1b662e4110268b494546b4a33
116 Risk Score

Malware Insights

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

This PDF document impersonates a cloud document lure, likely to trick users into downloading a malicious payload. The embedded URL 'https://pistant.ru/uplcv?utm_term=bill+of+lading+template+google+docs' suggests a phishing attempt related to document templates. The ML classifier and ClamAV detection strongly indicate malicious intent, classifying it as a phishing trojan.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • Cloud document impersonation lure medium SE_CLOUD_DOC_LURE
    Document impersonates a cloud file-sharing service such as SharePoint, OneDrive, Google Drive, Dropbox, Box, or Microsoft 365 and asks the user to open, verify, or access a shared document
  • 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://pistant.ru/uplcv?utm_term=bill+of+lading+template+google+docs
    • http://ehomeforeclosure.org/images/file/vuxifitafusufenupiva.pdf
    • https://www.sblending.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1607313fac58e4---wugemorunala.pdf
    • http://paymentsbusiness.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1609f288e6d25a---90084601312.pdf
    • https://1sis.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608f9f489a6f4---kesesofibufamitep.pdf
    • https://sipsib.ru/wp-content/plugins/super-forms/uploads/php/files/29a0c1d85262e077a026b155d786f982/komajagiwaratatarefesa.pdf
    • http://lalitas-thaimassage-spa.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607a26f5d073a---6955953296.pdf
    • https://celovechurch.org/wp-content/plugins/super-forms/uploads/php/files/e3989bba03c87bc900afe4ad172c82d7/24851935497.pdf
    • https://ventana-sur.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606ce234ea836.pdf
    • https://samiznojmo.cz/wp-content/plugins/super-forms/uploads/php/files/7e5679483809094acc5b599283c147e3/82101836417.pdf
    • https://humble-brag.com/wp-content/plugins/super-forms/uploads/php/files/43q2c9l6sgpkctlmk34pcdp2ci/tusomu.pdf
    • https://www.nrlandscapes.co.uk/wp-content/plugins/super-forms/uploads/php/files/a0cc17f436ec0b5c4050f5a96a61deba/43023732683.pdf
    • https://paloaltospeakerseries.com/wp-content/plugins/super-forms/uploads/php/files/86a870a1898e121d3dbf0754e8ae3a8c/5037415918.pdf
    • https://www.sblending.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1607d0ba4a550e---midupogawuxikalobarawuti.pdf
    • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608326ee12a9e---10576690496.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • 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_off0000cfc2.bin
697ee2afb7b66ca9900b02e471f0539c8091fdd11652f489247fb7174a580bd7		 pdf-font-stream PDF embedded font (sfnt) at offset 0xCFC2 5428 bytes
font_01_sfnt_off0000e233.bin
ed1c45900b5ab3687e1fd167e5f807cc3d7ab5c1c2678aeb992fdeaf33b3e342		 pdf-font-stream PDF embedded font (sfnt) at offset 0xE233 11296 bytes

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