Malicious PDF — malware analysis report

Static analysis result for SHA-256 8c0bd2615c08c5d3…

MALICIOUS

PDF

43.7 KB Created: 2020-09-18 10:28:01 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 76542630f2a7f39abb83dcae4ac138a5 SHA-1: ae06dd8d5781c3fe970fb00525e4fd916b2cc6aa SHA-256: 8c0bd2615c08c5d3a7c1038796da2ca4c7a9762c8d2d9b4f17531a540ffa96c4
128 Risk Score

Malware Insights

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

The PDF contains embedded links that lead to a redirector service, which in turn points to a link farm of other PDF documents. The document body contains a lure to watch a movie online, and the PDF_MALICIOUS_REDIRECTOR_LINK heuristic confirms the presence of links to known malicious infrastructure. The PDF_SEO_LINK_FARM heuristic indicates a large number of outbound links, suggesting a spam or SEO poisoning campaign.

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.
  • Urgency / deadline lure low SE_URGENCY_LURE
    Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
  • 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.me/wix?keyword=watch+transformers+3+online
    • http://puralel.selinayoga.net/uploads/1/3/1/6/131637291/3413352.pdf
    • http://files.cliffshardware.com/uploads/1/3/0/7/130738933/pajopunakufezil.pdf
    • http://povone.moobaastrongmangym.com/uploads/1/3/0/8/130813528/ruluzo_zuzaxo_favov.pdf
    • https://cdn.shopify.com/s/files/1/0483/9034/0766/files/68468180102.pdf
    • https://cdn.shopify.com/s/files/1/0438/4981/0070/files/tazavavami.pdf
    • https://cdn.shopify.com/s/files/1/0446/3663/5299/files/crypto_apex_legends_guide.pdf
    • https://cdn.shopify.com/s/files/1/0431/5840/5271/files/89524510044.pdf
    • https://cdn.shopify.com/s/files/1/0432/2358/0830/files/what_to_look_for_in_a_tablet.pdf
    • https://cdn.shopify.com/s/files/1/0437/3974/2369/files/accp_chest_2018_guidelines.pdf
    • https://cdn.shopify.com/s/files/1/0466/4301/9941/files/3_ninjas_kick_back_cast.pdf
    • https://cdn.shopify.com/s/files/1/0463/0980/2146/files/20582978282.pdf
    • https://69202f42-ce55-435a-ac84-86665b27d2f5.filesusr.com/ugd/e33828_5a92884a9d73487b8821af91dcc879a2.pdf?index=true
    • https://6e7e776b-753c-4b3a-a84d-4086bf3fbb55.filesusr.com/ugd/d99ef3_3297ab2e7c0e4a3f951e6e4ce58fb5f0.pdf?index=true
    • https://f7bf4668-abea-4eed-b961-c2868dcb6305.filesusr.com/ugd/3b5dd9_be8e1370ee564dd897eb5bacef189eaf.pdf?index=true
    • 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_off00006c2e.bin
0165ceea264efc416366bd82b16253d2b98ef7252b9e96432b908b65dca4a891
pdf-font-stream PDF embedded font (sfnt) at offset 0x6C2E 5296 bytes
font_01_sfnt_off00007e14.bin
b74afe6a4045811a1adc151688589b976ab35439ca995aff4dd849eccc8c9cb5
pdf-font-stream PDF embedded font (sfnt) at offset 0x7E14 10520 bytes