Malicious PDF — malware analysis report

Static analysis result for SHA-256 14fae7acb448c5df…

MALICIOUS

PDF

42.8 KB Created: 2020-10-28 17:43:27 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 312e29ab829190f483f2e0cd2f32d2b3 SHA-1: 50faf7a2a3006f6428639bd3e5a2697cc4c8f3ad SHA-256: 14fae7acb448c5df863aa860f9c1ee4f35af4bd98333f4c3d8128546f1a59b5c
154 Risk Score

Malware Insights

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

The PDF contains embedded links that redirect to malicious infrastructure, specifically a URL containing 'emirates+mission+statement' as a keyword, suggesting a phishing or scam attempt. The PDF also hosts a large number of external links, indicating a link farm designed to manipulate search engine results or distribute malware. No scripts were extracted, but the presence of malicious links strongly suggests the document's purpose is to redirect users to harmful content.

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/123?keyword=emirates+mission+statement
    • https://ralawuxageg.weebly.com/uploads/1/3/4/3/134319431/nuxepiwadikub.pdf
    • https://cdn-cms.f-static.net/uploads/4421352/normal_5f9882ed66c82.pdf
    • https://cdn-cms.f-static.net/uploads/4368495/normal_5f8773e6b86fe.pdf
    • https://juporolo.weebly.com/uploads/1/3/1/3/131380745/9920746.pdf
    • https://cdn-cms.f-static.net/uploads/4386849/normal_5f9237c3dddfa.pdf
    • https://pinonomobeberex.weebly.com/uploads/1/3/4/3/134318871/vaxibu-zisuluxezijoku.pdf
    • https://kilejotiwig.weebly.com/uploads/1/3/1/4/131406519/bf39f60ee.pdf
    • https://gupaxapofigovi.weebly.com/uploads/1/3/4/3/134356466/657b51529ce4.pdf
    • https://vixijusodu.weebly.com/uploads/1/3/0/7/130776714/dadijex-mubolideremom.pdf
    • https://cdn-cms.f-static.net/uploads/4365607/normal_5f90f45ed213f.pdf
    • https://cdn-cms.f-static.net/uploads/4387410/normal_5f8d622e7dace.pdf
    • https://kupugaxome.weebly.com/uploads/1/3/0/9/130969415/3582242.pdf
    • https://jowesezowu.weebly.com/uploads/1/3/4/3/134366841/7dd74eb556c3.pdf
    • https://cdn-cms.f-static.net/uploads/4402504/normal_5f966a206e3af.pdf
    • https://cdn-cms.f-static.net/uploads/4379601/normal_5f8fd4cd145d4.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • https://uploads.strikinglycdn.com/files/8b95b4ee-f510-4e87-86e8-c7d924cf2924/56965401413.pdf
    • https://uploads.strikinglycdn.com/files/7f12f0ee-65f3-4bed-aa07-26dd5b96176d/21889380451.pdf
    • https://uploads.strikinglycdn.com/files/8b49ba55-345e-42d2-84fe-e62a50961fcd/59177840844.pdf
    • https://uploads.strikinglycdn.com/files/7c30ac5b-cb61-41ae-a3f8-a88caf07f63b/ethika_size_chart.pdf
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/pdf/1.3/
    • http://ns.adobe.com/xap/1.0/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://ns.adobe.com/xap/1.0/rights/
    • http://scripts.sil.org/OFL

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000069c2.bin
8a3eb847367f80ebe93b2f7ef8c868151dffa82ad63dab6c81458fbb2b78853c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x69C2 4756 bytes
font_01_sfnt_off000079cd.bin
a909ddf3f74362755c99419187bbdeb89d17a208b14607c1e6b24ac4e0e060d6		 pdf-font-stream PDF embedded font (sfnt) at offset 0x79CD 10748 bytes

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