Malicious PDF — malware analysis report

Static analysis result for SHA-256 65695373a35ee870…

MALICIOUS

PDF

44.0 KB Created: 2020-10-05 21:25:00 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-23
MD5: 9be62ae4853acd23a169e870473528ef SHA-1: 5e3e14215412d85eaeca229c67b2061be72c9c76 SHA-256: 65695373a35ee8702867513a9e2d49df0c9ada6e1e8a9d0a503b76878b6bd1d4
154 Risk Score

Malware Insights

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

The PDF contains numerous embedded links, with a critical heuristic identifying a link to known malicious redirector infrastructure. The document body, though heavily obfuscated, contains a URL that appears to be a lure for 'shadow fight 2 hack apk'. This suggests an attempt to redirect users to malicious content, likely for further exploitation or malware delivery.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 4

  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • 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://cctraff.ru/pify?keyword=shadow+fight+2+hack+apk In PDF document text
    • http://jopebodur.destinationsananselmo.com/uploads/1/3/1/4/131483281/1166126.pdfIn PDF document text
    • http://files.justaskamom.com/uploads/1/3/1/4/131437680/kemigevas_rijedudejus.pdfIn PDF document text
    • http://kilokig.teachingtours.org/uploads/1/3/1/8/131856959/1513082.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/46820f38-6b27-4471-b86a-9f2994b2eac6/32716357012.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/1d9016e6-88cb-4cee-b5f4-3ccd2c4dbd46/tanivawixunifu.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/d9d6ebda-9f9b-4598-8399-132461d5dd8d/xebogalewudenidodamunolu.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/88b9fc5f-7a92-4ea7-a739-7d7043ec4bab/figikawejog.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/e14fd3dc-190e-484c-8b5d-5d2a403444d0/60726783599.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/5474/3200/files/jeep_jk_manual_transmission_oil_change.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/2509/5062/files/48083237354.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0495/5140/9304/files/matcha_crepe_cake_near_me.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0486/1345/8078/files/38793066516.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0492/2871/0041/files/nelijisixilanewotebeb.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/4c0c813e-3968-4529-9ea3-2ac073205bbd/61540476399.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/28163992-e98a-4e5f-8c88-6625cd8590ca/80238753133.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/1f000e6d-e621-42bb-a057-b5bfe40cb021/titiperuze.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_off00006c4b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6C4B 5504 bytes
SHA-256: 64eae182bf60fadb2d4837b6398d6c419e79099b652b5cbbcadf06b24458c458
font_01_sfnt_off00007f25.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7F25 10832 bytes
SHA-256: b6af044baefdc7232da9f3ead9ea891d5a7eb9f4d3f9e89d21a8eb8266e3752a

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