Malicious PDF — malware analysis report

Static analysis result for SHA-256 2fe7b098ec7bb318…

MALICIOUS

PDF

40.8 KB Created: 2020-08-18 19:43:21 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 5fd017cc460bc2ee084fb76081931fd7 SHA-1: cbecc84555d67f68bdcddc0f07dce1f33953efc5 SHA-256: 2fe7b098ec7bb31862f510ed1dffa0498bed70da7d32e78afd12b014d88a5273
120 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links, many of which point to external resources. One primary URL, 'https://ttraff.ru/pify?keyword=genetic+causes+of+epilepsy+pdf', is identified as a malicious redirector. The document's structure and content suggest it is designed to lure users into clicking these links, potentially leading to further malicious activity or phishing attempts. No scripts were extracted from this sample.

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=genetic+causes+of+epilepsy+pdf
    • http://files.heartsindixie.com/uploads/1/3/0/9/130969310/e45cfc4bbb78665.pdf
    • http://files.k-keratin.us/uploads/1/3/1/3/131380870/fa389ea9f22.pdf
    • https://cdn.shopify.com/s/files/1/0431/8488/1827/files/9537205610.pdf
    • https://cdn.shopify.com/s/files/1/0428/8105/6935/files/72972327805.pdf
    • https://cdn.shopify.com/s/files/1/0432/2964/2916/files/biophilic_urbanism.pdf
    • https://cdn.shopify.com/s/files/1/0438/2674/1405/files/acs_chemistry_exam_study_guide.pdf
    • https://cdn.shopify.com/s/files/1/0437/0720/3739/files/honda_bike_spare_parts_name_list.pdf
    • https://cdn.shopify.com/s/files/1/0432/6011/7160/files/robefanalijezakop.pdf
    • https://cdn.shopify.com/s/files/1/0435/7423/1199/files/vexaxojojuvude.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/savowogofoxifonikili.pdf
    • https://cdn.shopify.com/s/files/1/0429/5681/6540/files/gowubinenujiveva.pdf
    • https://cdn.shopify.com/s/files/1/0428/4078/5062/files/26017959103.pdf
    • https://cdn.shopify.com/s/files/1/0430/4502/7993/files/bawuxet.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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000063a7.bin
25c79fd02708a75e0bcd3b5030391b5e6db89a6734a46479422116dc15bf3a4a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x63A7 5188 bytes
font_01_sfnt_off00007570.bin
d8a16a9c689c423182378801012c9dfd46a0c5ccc0f9f383745fa16d833b2987		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7570 9712 bytes

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