Malicious PDF — malware analysis report

Static analysis result for SHA-256 23c053bf1b2de5d8…

MALICIOUS

PDF

106.7 KB Created: 2020-07-23 19:05:13 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 3de883d47948c11e9b7ec2b00abc40ed SHA-1: 08d04579136aa677eec8c01bbedb066a76cd3a01 SHA-256: 23c053bf1b2de5d815acd694bcbd0ff32ef6480b1dd7f4a363734a186aee5b43
120 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links, with the primary heuristic identifying a malicious redirector. The document body, though heavily obfuscated, appears to contain keywords related to design software, likely as a lure. The embedded URLs point to a redirector and a Shopify-hosted PDF, suggesting a phishing or redirection campaign.

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=3d+house+design+software+free++sketchup
    • http://files.redroosterbakehouse.com/uploads/1/3/0/7/130776027/9346475.pdf
    • http://files.aogshoetique.com/uploads/1/3/1/0/131070820/xubuxovupa-dawova-wezudada.pdf
    • http://files.deathnotenews.com/uploads/1/3/1/8/131856624/5240613.pdf
    • http://files.425sqn.org/uploads/1/3/0/8/130814642/zotazaboma.pdf
    • http://files.sameelz.com/uploads/1/3/0/7/130776644/fosipekitojenegobew.pdf
    • https://cdn.shopify.com/s/files/1/0428/9101/8396/files/ridirafikapeveli.pdf
    • https://cdn.shopify.com/s/files/1/0433/1143/1838/files/43848942741.pdf
    • https://cdn.shopify.com/s/files/1/0429/8643/8807/files/15258925302.pdf
    • https://cdn.shopify.com/s/files/1/0438/1681/2706/files/wupujuradipokadotulute.pdf
    • https://cdn.shopify.com/s/files/1/0431/5817/5908/files/77667709715.pdf
    • https://cdn.shopify.com/s/files/1/0428/0595/2671/files/91474031353.pdf
    • https://cdn.shopify.com/s/files/1/0428/9635/9580/files/69113292362.pdf
    • https://cdn.shopify.com/s/files/1/0432/0185/5646/files/jabowubizebadaruzejojewob.pdf
    • https://cdn.shopify.com/s/files/1/0432/7315/8821/files/busek.pdf
    • https://cdn.shopify.com/s/files/1/0434/9083/6632/files/bexazobigidadusupoj.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/99913566500.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_off00013a6e.bin
05234a5661c23068481553e0282c4544008d89c676992eae60c464fc1f3334f2		 pdf-font-stream PDF embedded font (sfnt) at offset 0x13A6E 5492 bytes
font_01_sfnt_off00014d20.bin
eb49cb1936597dfcfcb5de5eb7de1e8993f190bdbe0d4ba13e9a18475dc765d4		 pdf-font-stream PDF embedded font (sfnt) at offset 0x14D20 20504 bytes
font_02_sfnt_off00018761.bin
e93acd332f5893643511f4cefd38969ad5c744ad1b08842a788b6be7d277dd15		 pdf-font-stream PDF embedded font (sfnt) at offset 0x18761 16204 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.