Malicious PDF — malware analysis report

Static analysis result for SHA-256 484daefc37209691…

MALICIOUS

PDF

122.6 KB Created: 2020-08-03 20:57:15 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 6f4dc47bceb3dc91ea308be64da871af SHA-1: 68e2441f9f65866421df71a3eef99c7354df53c3 SHA-256: 484daefc3720969165c4c520882e1377272e4e343b55012e0de3ea2135552670
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell T1204.002 Malicious Link

The PDF contains embedded links that point to a known malicious redirector. The document body, though heavily obfuscated, contains the same URL as the malicious link, suggesting it is the primary lure. The PDF also contains a large number of external links, many hosted on Shopify, which is characteristic of SEO link farm abuse to obscure the true destination.

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.
  • 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.
  • 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.ru/pify?keyword=bejaia+tourisme+pdf
    • http://files.team-tubes.com/uploads/1/3/2/6/132681880/ccdcf.pdf
    • http://files.achconsulting.com/uploads/1/3/0/8/130874160/nirawavajigumuf-konivedami.pdf
    • http://kezuju.siakyriakakos.com/uploads/1/3/1/3/131381078/mexad.pdf
    • http://files.ahafonlinechapter.com/uploads/1/3/1/8/131871919/masegalov-wubuvukonib.pdf
    • https://cdn.shopify.com/s/files/1/0438/0078/9154/files/63218544036.pdf
    • https://cdn.shopify.com/s/files/1/0431/9779/2420/files/6974823470.pdf
    • https://cdn.shopify.com/s/files/1/0431/7400/2848/files/14867375358.pdf
    • https://cdn.shopify.com/s/files/1/0433/3050/2806/files/82985551084.pdf
    • https://cdn.shopify.com/s/files/1/0431/5942/1092/files/dokupupigaxene.pdf
    • https://cdn.shopify.com/s/files/1/0434/2556/2785/files/pazebofuwe.pdf
    • https://cdn.shopify.com/s/files/1/0434/3637/6231/files/xikuwizirasaba.pdf
    • https://cdn.shopify.com/s/files/1/0428/7237/3411/files/23698256311.pdf
    • https://cdn.shopify.com/s/files/1/0427/6640/1692/files/93533217670.pdf
    • https://cdn.shopify.com/s/files/1/0431/4421/6730/files/zofosezaxujosodawufinijus.pdf
    • https://cdn.shopify.com/s/files/1/0429/1392/3228/files/48782190107.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/

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00018709.bin
6288c4f0e8ed38295b841765ddbd4091ce8eeda74af42246964cb9122254f10b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x18709 5280 bytes
font_01_sfnt_off000198ec.bin
c7846753811ef5e8586150002133353a42e1af61de7f754a997181d07ce1822c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x198EC 13984 bytes
font_02_sfnt_off0001c403.bin
0e8bca1eff287a8887dc8e79f4c0bc16e5a4e7d634c352f09924a0650b5ae2f1		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1C403 16732 bytes

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