Malicious PDF — malware analysis report

Static analysis result for SHA-256 43fcee593a884c05…

MALICIOUS

PDF

40.8 KB Created: 2020-08-12 14:05:52 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 7b80732adf2ecaf1a77de6578431fc96 SHA-1: d0c92540f1243338a78c3455129a1a1a31e95095 SHA-256: 43fcee593a884c0539a015886afb093b32e490d5db682188c63451daea97a9df
120 Risk Score

Malware Insights

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

The PDF contains a critical heuristic firing for a malicious redirector link, pointing to `https://ttraff.ru/pify?keyword=capacity+management+blackstone+pdf`. Additionally, it exhibits characteristics of a PDF link farm, with numerous embedded links, many hosted on `cdn.shopify.com`. The document body, though heavily obfuscated, contains the same malicious URL, suggesting the primary intent is to redirect users to potentially harmful content, likely for phishing or malware delivery.

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=capacity+management+blackstone+pdf
    • http://files.craighawkinsart.com/uploads/1/3/1/6/131607063/ccf81a994378bd.pdf
    • http://bedaruv.pickeringfarms.com/uploads/1/3/1/3/131383309/5969278.pdf
    • http://files.kandvdesign.com/uploads/1/3/1/8/131872238/fomozik_gexim.pdf
    • https://cdn.shopify.com/s/files/1/0431/0492/7905/files/fotabijupax.pdf
    • https://cdn.shopify.com/s/files/1/0429/2021/4681/files/46526568706.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/27347714529.pdf
    • https://cdn.shopify.com/s/files/1/0434/5682/3453/files/causes_of_carpal_tunnel_syndrome.pdf
    • https://cdn.shopify.com/s/files/1/0437/5085/0714/files/english_to_gujarati_dictionary_free_download_for_pc.pdf
    • https://cdn.shopify.com/s/files/1/0428/0667/3575/files/jowozuromipusofusajupok.pdf
    • https://cdn.shopify.com/s/files/1/0437/8460/1752/files/88021635479.pdf
    • https://cdn.shopify.com/s/files/1/0430/6858/8194/files/lothric_knight_long_spear.pdf
    • https://cdn.shopify.com/s/files/1/0430/2589/1479/files/xodutikujilafaje.pdf
    • https://cdn.shopify.com/s/files/1/0433/9482/6405/files/eso_champion_points_calculator.pdf
    • https://cdn.shopify.com/s/files/1/0433/6130/4728/files/8150965872.pdf
    • https://cdn.shopify.com/s/files/1/0432/9403/2025/files/watch_the_divide_online_free.pdf
    • https://doi.org/10.1007/1-4
    • 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_off000051b5.bin
a8ddca59c6882cc3df902452da1aad52ba6db976c7168d76698626d859513380
pdf-font-stream PDF embedded font (sfnt) at offset 0x51B5 5496 bytes
font_01_sfnt_off0000645a.bin
f3fdc5d1feebfdf071e9ffe549e8b5d2f213161069ad5770b04760d5f7e42104
pdf-font-stream PDF embedded font (sfnt) at offset 0x645A 10264 bytes
font_02_sfnt_off0000877a.bin
cd94ef65598b1866d0653cdd88243d989fd81359c0e770c2d3a4858f1c2f6d34
pdf-font-stream PDF embedded font (sfnt) at offset 0x877A 4324 bytes