Malicious PDF — malware analysis report

Static analysis result for SHA-256 fbc12c8b1494731e…

MALICIOUS

PDF

104.0 KB Created: 2021-03-13 23:43:19 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-23
MD5: 14fc8a76526a157d523ddd8caad597d9 SHA-1: 90c14020ea016c8c32030f82aac99c1cd80c3e44 SHA-256: fbc12c8b1494731edd2b2dc3e596e4a67227c5ae102b2430689f17024f5def3b
96 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

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

This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds external URLs that direct users to attacker-controlled resources. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9991

Heuristics 4

  • 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
  • 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://vilenefex.ru/wix?keyword=chemistry+dimensional+analysis+worksheet+answers PDF link annotation
    • http://viputixezererej.66ghz.com/determiners_exercises_with_answers_for_class_9.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4383160/normal_6049e80c2cace.pdfIn PDF document text
    • https://cdn.sqhk.co/xinulezebi/FlhhLja/hex_commander_fantasy_heroes_hack_apk.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4465149/normal_5fdefbcad97e6.pdfIn PDF document text
    • https://cdn.sqhk.co/kofatuziwu/hi6s2gg/jikumudividapoledojapub.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4380876/normal_5fcbcc36347b1.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4413713/normal_5fc770a8380a8.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4456686/normal_600fd1a36e3b4.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4386618/normal_5fcbf91adce83.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4490539/normal_6001a7037fdbd.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4381090/normal_5fd05fd4dff51.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4413475/normal_5ffb7e7a03b45.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4444874/normal_60211689c8036.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4379612/normal_5ff281f59f7bb.pdfIn PDF document text
    • https://cdn.sqhk.co/rizinutix/IWUPTjd/fusajamazafovisa.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4407996/normal_5ff11889e6177.pdfIn PDF document text
    • http://jevosetixa.iblogger.org/lukitodomili.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://rilerulijomowam.rf.gd/11967723772.pdfIn PDF document text
    • http://sodarag.epizy.com/volitional_form_in_japanese.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/b53cbe88-b3fd-4ae1-9a54-737e244a6b91/dizokirorefevezadijimetaw.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/122ead45-7c72-4e47-b801-fffd5de4bb9f/mous_iphone_11_pro_case_amazon.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

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0001521a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1521A 2828 bytes
SHA-256: 85b692c1c636aed9ab1240d2a7361179fdd6c0849396a06064984f922e967b4f
font_01_sfnt_off00015c14.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x15C14 5228 bytes
SHA-256: bb172467d60f99c7e2f90a37bc7f646a15544f9e0f65fb1e9ac9a795ef699451
font_02_sfnt_off00016dbb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x16DBB 10372 bytes
SHA-256: a1f21e8a77f3b67294468ebc1f64eeab3a2b72425a2724270ee7a587d49f8fb4

Open this report in the interactive analyzer, or submit your own file for analysis.