Malicious PDF — malware analysis report

Static analysis result for SHA-256 2aa51b7338a6f106…

MALICIOUS

PDF

37.8 KB Created: 2020-08-08 15:26:29 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 54b2f8e108b2d127a76a9e36a96103f9 SHA-1: 09f5ad9e961bbc65921bd20c80083f7e7180df1f SHA-256: 2aa51b7338a6f10674ca8e5a4fd0e9323e99073256866d7e58aa04dd296094e6
120 Risk Score

Malware Insights

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

The PDF contains a mass of external links, many pointing to Shopify domains, but one critical link directs to a known malicious redirector at `https://ttraff.com/pify?keyword=abdus+salam+chaus+books+pdf`. This suggests the document is designed to lure users to malicious infrastructure, likely for phishing or further malware delivery. No scripts were extracted, limiting the analysis of direct execution capabilities.

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.com/pify?keyword=abdus+salam+chaus+books+pdf
    • http://files.lapanzapiena.com/uploads/1/3/0/7/130739344/sunubi.pdf
    • http://files.theamplifyfoundation.org/uploads/1/3/1/4/131407424/8455575.pdf
    • http://files.lgravelinephotography.com/uploads/1/3/1/8/131859042/3287020.pdf
    • http://files.emilytvanek.com/uploads/1/3/1/4/131483830/485e26981b1705.pdf
    • https://cdn.shopify.com/s/files/1/0435/2940/4567/files/80368753480.pdf
    • https://cdn.shopify.com/s/files/1/0432/5870/8136/files/lixisoturomuxo.pdf
    • https://cdn.shopify.com/s/files/1/0437/1926/2363/files/glary_utilities_pro.pdf
    • https://cdn.shopify.com/s/files/1/0431/4683/8173/files/28764693078.pdf
    • https://cdn.shopify.com/s/files/1/0431/3966/1981/files/elephant_man_book.pdf
    • https://cdn.shopify.com/s/files/1/0429/3351/8489/files/phlebitis_adalah.pdf
    • https://cdn.shopify.com/s/files/1/0438/9172/0347/files/nier_automata_pyrite.pdf
    • https://cdn.shopify.com/s/files/1/0437/0399/2474/files/75930378107.pdf
    • https://cdn.shopify.com/s/files/1/0432/8852/7014/files/clinical_anesthesiology_lange.pdf
    • https://cdn.shopify.com/s/files/1/0428/2312/3100/files/59452946437.pdf
    • https://cdn.shopify.com/s/files/1/0430/4742/0057/files/76766134754.pdf
    • https://cdn.shopify.com/s/files/1/0428/3708/2271/files/parikuriwavok.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_off0000486f.bin
e975984407915cad9692702bffbda76ae7b3cbc6201095b5783e324c7a96ed60		 pdf-font-stream PDF embedded font (sfnt) at offset 0x486F 5024 bytes
font_01_sfnt_off0000597c.bin
e5230af90edc8956fc69f1251620e39d6f32d1bd4d35c6ed18e4579ac696a59f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x597C 10152 bytes
font_02_sfnt_off00007c49.bin
1062cd8ddf90f4344fa193b395386d5669df1a952e5759311ca261a71931f361		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7C49 4324 bytes

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