Malicious PDF — malware analysis report

Static analysis result for SHA-256 a515549893e4dd8c…

MALICIOUS

PDF

42.0 KB Created: 2020-08-23 06:23:00 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 86d3c5f48c7635a7341615400392abc7 SHA-1: c3076919f70170f9ae02852aacc3e4d7b9ffdcff SHA-256: a515549893e4dd8cf75f55a454ce0dbd297df02119bec811d507fbe3f783cd70
120 Risk Score

Malware Insights

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

The PDF file contains a lure related to a 'wage garnishment form template' and embeds a large number of links. One of these links, 'https://ttraff.cc/pify?keyword=wage+garnishment+form+template', is identified as a malicious redirector. The document's structure and the presence of numerous external links suggest an attempt to drive traffic to malicious infrastructure, likely for further exploitation or phishing.

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.cc/pify?keyword=wage+garnishment+form+template
    • http://files.salsaritaslexky.com/uploads/1/3/1/4/131407898/9916121.pdf
    • http://files.jowitz.com/uploads/1/3/0/8/130874368/8692681.pdf
    • http://zokeledu.seaproof.tv/uploads/1/3/1/1/131163599/3523117.pdf
    • https://cdn.shopify.com/s/files/1/0428/1332/5471/files/good_morning_song_video_mp4.pdf
    • https://cdn.shopify.com/s/files/1/0428/5402/3327/files/jimupisemagu.pdf
    • https://cdn.shopify.com/s/files/1/0438/6645/6224/files/gixevudusarosoditore.pdf
    • https://cdn.shopify.com/s/files/1/0428/1165/4307/files/84472192771.pdf
    • https://cdn.shopify.com/s/files/1/0428/0667/3575/files/vesibafonekufebimu.pdf
    • https://cdn.shopify.com/s/files/1/0462/1595/4586/files/bejubipevemidu.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/tosinumemelijigejidab.pdf
    • https://cdn.shopify.com/s/files/1/0432/4245/5207/files/luderam.pdf
    • https://cdn.shopify.com/s/files/1/0437/8198/0321/files/all_races_dnd_5e.pdf
    • https://cdn.shopify.com/s/files/1/0432/9956/9829/files/biedermann_und_die_brandstifter_text.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/
    • https://cdn.shopify.com/s/files/1/0432/4245/5207/files/ludera

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006756.bin
41d3ea971baa8d0639e2d51d68054ef0d811c58d6141042cbeaa38a3f4a95af7		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6756 5328 bytes
font_01_sfnt_off00007956.bin
03c731385cfa1b0cc878852a6d300d7355e271336732826bce7d76aee3b54e01		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7956 9928 bytes

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