Malicious PDF — malware analysis report

Static analysis result for SHA-256 a6729d4652decafb…

MALICIOUS

PDF

36.6 KB Created: 2020-08-19 23:38:41 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 74b642315e928cc63eb6c66a63fc16d5 SHA-1: 1678cc634b65fb19a683506ea50bf509c4adedbd SHA-256: a6729d4652decafb92a8053e8cdc9bf23a59808e865337707da6331ba2b67e91
128 Risk Score

Malware Insights

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

The PDF file contains a lure related to a product, likely to disguise its true purpose. It features a large number of embedded links, with one identified as a malicious redirector and others pointing to a link farm hosted on Shopify. This suggests the document is designed to manipulate search engine results or redirect users to malicious content, rather than providing legitimate information.

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.
  • Fake invoice / payment lure low SE_INVOICE_LURE
    Document contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
  • 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=stadler+form+charly+little+cena
    • http://files.themarketplaceonmain.com/uploads/1/3/2/7/132712358/wemamosoj-kipirojepapuw-datalibutogom-nixedila.pdf
    • http://files.madebyloulou.net/uploads/1/3/1/8/131871891/59bfb6ba928ffb6.pdf
    • http://jofamam.smithfield2020.org/uploads/1/3/1/1/131164250/sefeve_wufeta_dimoxivazimu.pdf
    • http://lojelutel.mscommunicationassociation.com/uploads/1/3/1/4/131437626/jazajebafemunow-kukalinolibu.pdf
    • https://cdn.shopify.com/s/files/1/0431/9684/2142/files/vedarudevon.pdf
    • https://cdn.shopify.com/s/files/1/0430/3116/7137/files/53240875783.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/89089693040.pdf
    • https://cdn.shopify.com/s/files/1/0432/2318/7616/files/bible_study_planner.pdf
    • https://cdn.shopify.com/s/files/1/0436/3078/8758/files/vowel_and_consonant_sounds.pdf
    • https://cdn.shopify.com/s/files/1/0429/2352/4255/files/los_pueblos_azorin.pdf
    • https://cdn.shopify.com/s/files/1/0430/3041/3475/files/scai_cardiogenic_shock.pdf
    • https://cdn.shopify.com/s/files/1/0436/5657/7182/files/tapitegor.pdf
    • https://cdn.shopify.com/s/files/1/0432/5064/7202/files/dosuj.pdf
    • https://cdn.shopify.com/s/files/1/0430/9513/0266/files/72902900977.pdf
    • https://cdn.shopify.com/s/files/1/0438/3562/1526/files/zajimurafadil.pdf
    • https://cdn.shopify.com/s/files/1/0429/8535/7463/files/18755860152.pdf
    • https://cdn.shopify.com/s/files/1/0435/2881/4741/files/37558191966.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_off0000522b.bin
7aa94d1e5af9c3363d6d5defaaead08d736c5230a89e82e14915f674e5fa0dfe
pdf-font-stream PDF embedded font (sfnt) at offset 0x522B 5288 bytes
font_01_sfnt_off000063fc.bin
3f01e39247d514b4af7265237f16d3b762596d60252407ce7eeb5771ebcaab98
pdf-font-stream PDF embedded font (sfnt) at offset 0x63FC 9796 bytes