Malicious PDF — malware analysis report

Static analysis result for SHA-256 93a995224182eb5c…

MALICIOUS

PDF

73.7 KB Created: 2021-03-02 11:55:52 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-22
MD5: b1560f6bf8307bffe1c0349bdd7dbd69 SHA-1: 60f1fb74444a6c11c076e96690ed3a14a68a3bf2 SHA-256: 93a995224182eb5ccc24a9aab8ea54726c3ba460ec9a5f8603bc057107c3c123
96 Risk Score

Malware Insights

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

The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The embedded URL points to a domain associated with potentially malicious content, disguised as a tutorial. While no scripts were explicitly extracted, the PDF structure and embedded URIs suggest an attempt to redirect the user to a harmful site, likely for phishing or malware delivery.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

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://gimoguvi.ru/award?keyword=adobe+premiere+pro+cc+2015+tutorial+slow+motion PDF link annotation
    • https://cdn.sqhk.co/pemanunid/vjfjai3/sepezezijozunijemojidu.pdfIn PDF document text
    • http://wurogutevifo.iblogger.org/zulilidemafikuxek.pdfIn PDF document text
    • http://bit7.top/bypass_frp_apk_6._07g6is.pdfIn PDF document text
    • http://tiwelonepozafuw.iblogger.org/9784490897.pdfIn PDF document text
    • http://mon-cmb.best/distributive_adjectives_worksheetsplsz1.pdfIn PDF document text
    • http://romabeveseruzor.22web.org/appropriate_verb_form_exercises.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4403565/normal_5ff5042c4226c.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://selawed.rf.gd/how_to_reset_samsung_smart_tv_to_factory_settings_2017.pdfIn PDF document text
    • https://s3.amazonaws.com/zesotat/21755066243.pdfIn PDF document text
    • https://s3.amazonaws.com/dorulusof/fodatiwotadabebezu.pdfIn PDF document text
    • http://kupuwatuz.epizy.com/illinois_commerce_commission_annual_report.pdfIn PDF document text
    • https://s3.amazonaws.com/rewepalazamiso/cieem_ecia_guidelines.pdfIn PDF document text
    • https://s3.amazonaws.com/bolovopizonuki/pezapinigagakelepin.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_off0000e175.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE175 5892 bytes
SHA-256: 693ee2489f18a597343c5c7b6d467e2026caf3a304f12fa10690b9869315c7d6
font_01_sfnt_off0000f57d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF57D 10620 bytes
SHA-256: d35834c3b64510d2a5d3a0d8110162976e4ab88a02422efd119443042ba7ab0e

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