Malicious PDF — malware analysis report

Static analysis result for SHA-256 22014e0d61b8b2f5…

MALICIOUS

PDF

81.3 KB Created: 2021-03-06 17:41:22 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-06-13
MD5: 5f91fd25e524cfb706f71403f362831d SHA-1: df5f76ddd9ebe088770c3dfed3c5c7e6af87da45 SHA-256: 22014e0d61b8b2f58fa634715afc75c87e735f65171042a06e8fef20d234a947
96 Risk Score

Malware Insights

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

The PDF contains an embedded URI that directs the user to a URL disguised as a search result. This URL likely leads to a phishing page or a further malware download. The ML classifier and ClamAV detection strongly indicate malicious intent, classifying it as a phishing trojan.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9993

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://druttle.ru/wb?keyword=what%20states%20do%20you%20not%20have%20to%20wear%20a%20motorcycle%20helmet PDF link annotation
    • http://purpless.vip/zosasetprhx.pdfIn PDF document text
    • http://wowitaly.pro/xusabewemosajonosovi3u51u.pdfIn PDF document text
    • http://verifedform.com/golidibvzfg.pdfIn PDF document text
    • http://ecoservice-vlad.ru/38023304571659fq.pdfIn PDF document text
    • http://lianhua.life/alive_the_story_of_the_andes_survivors_by_piers_paul_readtkks4.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4460983/normal_5fe5fe80832d2.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4423714/normal_6014a4859a308.pdfIn PDF document text
    • http://tizezs.xyz/99685770166w5gko.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4378641/normal_600d186e726b4.pdfIn PDF document text
    • http://nawenelogasivur.22web.org/what_is_the_purpose_of_an_opinion_piece.pdfIn PDF document text
    • http://agreevudb.rest/duladejofafezubiliguwvfdc1.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4410714/normal_5fd929ec08f68.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4402711/normal_5fcb2e038ed4d.pdfIn PDF document text
    • http://devlp.club/sagiwiwemuxakisisojafaqrzx9.pdfIn PDF document text
    • http://memenakamawe.iblogger.org/kubisazolojibofoba.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://uploads.strikinglycdn.com/files/d8ed8c17-2988-4c36-add7-38358676f61b/41317672666.pdfIn PDF document text
    • https://s3.amazonaws.com/nezanurugega/gesesaraviwafegugu.pdfIn PDF document text
    • https://s3.amazonaws.com/xojafemori/foxanizuwutovo.pdfIn PDF document text
    • https://s3.amazonaws.com/pesetufavo/gujojivokevowezovawu.pdfIn PDF document text
    • http://ruxofepugoloma.rf.gd/tasisapotagipozevubedutog.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/4722fbf4-7d4a-4380-a96d-b5ba862291aa/wemerefuvulesidezolives.pdfIn PDF document text
    • https://s3.amazonaws.com/bisiku/avatar_full_movie_in_tamil.pdfIn PDF document text
    • http://vazorilumi.epizy.com/norisuxigiwokod.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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000100ce.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x100CE 5444 bytes
SHA-256: 5c298fe6c333411b89c120ecd3d3f09e85ded7c08c66a0af4db3344f7900fd5f
font_01_sfnt_off00011344.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11344 10636 bytes
SHA-256: 8100481c239ebaeffde9b9761926cb1c8c464e401321a2c3ebe1fa22f5314631

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