Malicious PDF — malware analysis report

Static analysis result for SHA-256 422d7dd85081f529…

MALICIOUS

PDF

72.6 KB Created: 2021-03-12 01:16:50 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-23
MD5: 39d7a5adcd183a513a2c97559da27264 SHA-1: 99ca64b6fbacbb4115d2524d54e3e487b490bd68 SHA-256: 422d7dd85081f52983b929830bf9ed3c98ee849c6dd2301bbcb28ad00f5ee6fd
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 0.9990

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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://leonvi.ru/123?utm_term=aqueous+cleaning+handbook+pdf PDF link annotation
    • https://static.s123-cdn-static.com/uploads/4530429/normal_5fde092dd51bf.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4403948/normal_6007e1c448da6.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4404723/normal_5ff8dcc619a04.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4478438/normal_5fcc97f1b60ba.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4408352/normal_603c3595a94c1.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4390383/normal_604aa1571fa66.pdfIn PDF document text
    • http://smartcreditcheck.info/what_did_the_indian_peace_commission_proposedel5o.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4367927/normal_5fdc0a78e4d20.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4373527/normal_5ff780c364220.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4418399/normal_5ffabeb527fc8.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4376856/normal_601ff86b35233.pdfIn PDF document text
    • http://it50disconto.info/mercruiser_4.3_engine_oil02ixy.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4366043/normal_601ebb56bb67a.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4370307/normal_6027ac6ed0d89.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4470028/normal_5ff877b60ae4e.pdfIn PDF document text
    • http://sneakerspapa.store/859001199847bs4b.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4465024/normal_6037477d7a3f2.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://s3.amazonaws.com/xafaxotaful/ripititilalaxaperededed.pdfIn PDF document text
    • https://11484d69-1612-41b9-9199-165df1f08223.filesusr.com/ugd/e2f197_713e6e75a52d446fac5821523fff0511.pdf?index=trueIn PDF document text
    • https://s3.amazonaws.com/dutimajizowa/xodagegix.pdfIn PDF document text
    • https://923a8ca3-316b-4844-b38f-9bc955ad4852.filesusr.com/ugd/312e0e_3e2918a7d6674c8ea06e58aed6f0f049.pdf?index=trueIn PDF document text
    • https://fecd0c08-032d-4b8b-b26c-6108aca7a00f.filesusr.com/ugd/a87c8b_130a250d110d4f308bfefda1e2992bd6.pdf?index=trueIn PDF document text
    • https://s3.amazonaws.com/ponivotigegepub/40296435574.pdfIn PDF document text
    • https://aed022ca-8a9d-452d-9022-56a74a585a14.filesusr.com/ugd/4d548e_f9bc166a608349ff8e76d211b086277d.pdf?index=trueIn PDF document text
    • https://ca108e69-7b6b-43f0-8f16-d96ebeb8a33d.filesusr.com/ugd/79e0dc_ba3b4b46839149de97c54a8f116ce543.pdf?index=trueIn 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_off0000de0f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDE0F 5640 bytes
SHA-256: c52763d5ded18330cd085121778fe30569de7fa8251b67790fc2f9dc034b54a8
font_01_sfnt_off0000f139.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF139 10192 bytes
SHA-256: 15f9ea99754539cb1929af3383687a15e75ced403bd518a08bcfc333d0a06e78

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