Malicious PDF — malware analysis report

Static analysis result for SHA-256 244b046abe9d745a…

MALICIOUS

PDF

44.6 KB Created: 2020-08-27 13:20:53 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 884e957d1fc9db8a453423d2e85b92a1 SHA-1: b84e5d49cf9bf353e858e50258513d3ad5601db5 SHA-256: 244b046abe9d745a8e213fc02fe93d58745092d1bf5f9ab735b731fbd612c86d
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Phishing: Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains a large number of embedded links, many of which point to a redirector service. The document body text, though heavily obfuscated, contains a lure related to downloading a music album, and a primary URL that leads to a redirector. This suggests the document is designed to trick users into clicking malicious links that likely lead to malware or phishing sites.

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.club/pify?keyword=lil+wayne+carter+3+album+download+zi
    • http://vutijuxut.bowtoblackwood.com/uploads/1/3/2/6/132681081/kajapejaziwokogakela.pdf
    • http://denotel.positivelypigs.com/uploads/1/3/1/4/131453247/wurufazopuleg-fuwofisanol-guxesal.pdf
    • https://cdn.shopify.com/s/files/1/0434/3041/2454/files/africanisms_in_american_culture_2nd_edition.pdf
    • https://cdn.shopify.com/s/files/1/0429/9476/1877/files/59528516406.pdf
    • https://cdn.shopify.com/s/files/1/0434/3431/1845/files/38407935914.pdf
    • https://cdn.shopify.com/s/files/1/0434/4722/2422/files/dololukusozepovonopaji.pdf
    • https://cdn.shopify.com/s/files/1/0432/0041/3856/files/85352944283.pdf
    • https://cdn.shopify.com/s/files/1/0435/5201/4495/files/93875444346.pdf
    • https://cdn.shopify.com/s/files/1/0431/6345/1560/files/tikidebowuwadabosinenemaj.pdf
    • https://cdn.shopify.com/s/files/1/0462/3902/3253/files/dutosideroki.pdf
    • https://cdn.shopify.com/s/files/1/0436/6788/2134/files/25063223945.pdf
    • https://cdn.shopify.com/s/files/1/0437/0428/7383/files/rotexiwikibezalizowosewan.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_off00006330.bin
540b3ea80737f88405960e19055573f79c7f4d7a8475b4446a1c7f8b83cad99e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6330 5280 bytes
font_01_sfnt_off00007517.bin
272bb75b87a5cd293d643a1ff5d058c4a23967350c0a8ef42028e42d9f2317d0		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7517 10200 bytes
font_02_sfnt_off000097d2.bin
0d0f64e27578eb124b8bc81c7eceacdd166e22eddd95c81328e9fbd7de2a6333		 pdf-font-stream PDF embedded font (sfnt) at offset 0x97D2 4324 bytes

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