Malicious PDF — malware analysis report

Static analysis result for SHA-256 45d883a527321642…

MALICIOUS

PDF

41.9 KB Created: 2020-11-02 11:46:41 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-07
MD5: 717fa853ef86ae7b64aed80e3abf7946 SHA-1: c2b4036e413f7c0edb7de1ae154aea13d6d5958a SHA-256: 45d883a527321642e1c2ddd452f2f3b2b7bb107c4ee7810e6ae6424ec405d7ef
94 Risk Score

Malware Insights

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

The PDF contains a critical heuristic firing indicating it links to known malicious redirector infrastructure. The embedded URL, https://ttraff.me/123?keyword=icis+world+surfactants+conference+2020, is the primary indicator of malicious intent. While no scripts were explicitly extracted, the PDF structure and the presence of a malicious URL suggest an attempt to lure the user to a harmful site, likely for phishing or malware delivery.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 3

  • 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.
  • 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://ttraff.me/123?keyword=icis+world+surfactants+conference+2020 In PDF document text
    • https://fisotewefupug.weebly.com/uploads/1/3/1/0/131071176/luxuxawuwidalog-kodixewujawizod-vesawi.pdfIn PDF document text
    • https://sonilotosoj.weebly.com/uploads/1/3/1/3/131379329/734336.pdfIn PDF document text
    • https://kidunaxu.weebly.com/uploads/1/3/1/4/131437100/2609612.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://cdn.shopify.com/s/files/1/0479/4105/8727/files/25583789462.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/66d26acb-52bf-4bb7-9413-14fa7eadf41c/58260711914.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/658e025d-a698-4184-b08a-e6a4168684f7/bike_authorization_letter_format_west_bengal.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/5b3feec8-7d1f-49b7-9574-dd125d738135/nofuwed.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/491e2086-306d-45df-a40a-73f18db333ef/81975955999.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/1727/1453/files/delonghi_2400w_convection_heater_with_timer_manual.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0507/8532/1154/files/which_document_have_no_property_qualifications_for_holding_office.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_off0000640e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x640E 5320 bytes
SHA-256: b2564dce307ba456706907d50844d9dc879d2b3db641333338e4e9541c1c0ec4
font_01_sfnt_off00007644.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7644 10916 bytes
SHA-256: 1758684dcf7579b8e6d23a1585fb7424552e2940407d012295f455b3abcc9759