Malicious PDF — malware analysis report

Static analysis result for SHA-256 cc720fad190b29cd…

MALICIOUS

PDF

91.6 KB Created: 2020-12-09 07:42:48 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-04
MD5: 0f28fa167c268cd32ce72423113ba4f6 SHA-1: 5b2fb0953813f181acc4fb7ba1db0f31d28e90cd SHA-256: cc720fad190b29cd98a347ed390abd6d24111fcdcb35075d1c9b82f505cd5b67
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 0.9996

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://traffine.ru/strik?utm_term=philippine+ethnic+groups+costumes PDF link annotation
    • http://fontawesome.iohttp://fontawesome.io/license/In PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • https://s3.amazonaws.com/vatakefojunib/2668573052.pdfIn PDF document text
    • https://s3.amazonaws.com/xurixado/android_tv_launcher_for_tablet.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fc0e526c6229360ecacefcf/t/5fc1604dfa04221c71534591/1606508622023/btd_battles_unblocked_hacked.pdfIn PDF document text
    • https://s3.amazonaws.com/fupanabivote/kundalini_research_institute.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/24d7ab17-d696-4152-87fe-c95698680030/pebis.pdfIn PDF document text
    • https://s3.amazonaws.com/jikopot/introduction_to_demography_and_population_studies.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fc002d40b6b03258f30bf3d/t/5fc17479145a8629dce7c043/1606513786008/calories_in_a_lb_of_red_grapes.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/43487c95-2416-40d9-bc2d-19ca6cca8881/camel_clip_art_black_and_white.pdfIn PDF document text
    • https://s3.amazonaws.com/bulolimepol/kindergarten_phonics_worksheets_words.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/8d48d7d4-eff2-40b9-b9e3-d2f1debd4224/43277394424.pdfIn PDF document text
    • https://s3.amazonaws.com/xapidajovaji/87133759762.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/5fbf8b15-7316-44df-bfba-a3feba438b4f/12639892330.pdfIn PDF document text
    • https://s3.amazonaws.com/gitipelut/free_netflix_account_hack.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 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0001111b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1111B 1872 bytes
SHA-256: 223568fc15723d408f00056d2cf6bf73ec0b5e81a44ab038b8d55cfaeb1c3c3d
font_01_sfnt_off00011a0e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11A0E 5020 bytes
SHA-256: 6e18d5e828580c062da7244f611247f15fa2b7a4cc89f0afd28fd5d52e32ef91
font_02_sfnt_off00012aec.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x12AEC 11880 bytes
SHA-256: fefddbcaf821404706595632eec0cd12e057aab5535b4b3b92f26cdcf1a56475
font_03_sfnt_off00015283.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x15283 4324 bytes
SHA-256: 05d2457133b820fa77aa358e30e9acfbad3f04c46ced9a37296d9311117db176

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