Malicious PDF — malware analysis report

Static analysis result for SHA-256 ba0cbc68b6a41e1e…

MALICIOUS

PDF

79.8 KB Created: 2021-05-22 18:31:26 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-16
MD5: 9edc1df0f50738b55f7b2f7c495399ab SHA-1: 5d8a4a8c58ddc9715bfb3abeea928a4c2d570f30 SHA-256: ba0cbc68b6a41e1e66bd342a5e36435a7d7b3579663bea2ac86214c177d4b740
96 Risk Score

Malware Insights

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

The file is a PDF document flagged by ClamAV as a phishing trojan. It contains an embedded URI pointing to a suspicious domain, which is likely used to host a malicious payload or redirect the user to a phishing site. The ML classifier also strongly indicates maliciousness.

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://soxebez.ru/strik?utm_term=acrylic+acid+from+ethylene PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4408853/normal_6015e1328d031.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4380082/normal_5fdafaf171379.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4500187/normal_602e00e21fff8.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4453333/normal_600491b723c14.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4401732/normal_604693780b138.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4403119/normal_604d2babb6706.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4474475/normal_5fc87a4be1f17.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/zuvovoxigumuz/64963959661.pdfIn PDF document text
    • https://s3.amazonaws.com/zabejuvijolu/8017594200.pdfIn PDF document text
    • https://s3.amazonaws.com/lebaxa/netflix_free_for_android_box.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/bb52dd17-12bd-460f-8a5a-c17b94ab3081/kudux.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/ee8e70bd-b175-42b6-a4d9-4ca25b76b4a0/alkaline_diet_plan_dr_sebi.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/08ee3005-5a97-43ad-9fb0-cdc25ee2537d/95372352658.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/a8f2d1e3-c36b-47c5-ae6b-0db71f7007e9/nibasinodi.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/a30869b2-6c75-4c04-8ab5-c60112ab8283/ropaxulatumetejax.pdfIn PDF document text
    • https://s3.amazonaws.com/nokiva/foscam_f18918w_reset.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/efcf2898-fa09-46f3-aca9-9e647c571232/nejenefebugozajabedaf.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/5e032dd1-0ae5-49ed-8ba9-f394d23d2543/pesulomikofe.pdfIn PDF document text
    • https://s3.amazonaws.com/tubupejevomo/sodomubuvan.pdfIn PDF document text
    • https://s3.amazonaws.com/ximupuv/personajes_principales_de_la_obra_la_familia_de_pascual_duarte.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_off0000f814.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF814 5172 bytes
SHA-256: dc0d39448995b0ae6000e116bc21d1f9c9b08da6e2ab9a8948e0eb35ab7da549
font_01_sfnt_off00010989.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10989 12884 bytes
SHA-256: e958bddb9842d08a780d6becf9a030885eb7be1a001754990be87d88663d2753

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