Malicious PDF — malware analysis report

Static analysis result for SHA-256 449f8cda864e68ff…

MALICIOUS

PDF

50.1 KB Created: 2020-08-13 23:19:52 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 9354b21eae3cddd80ec528ead0649e3f SHA-1: 7965e600483ccf57936664d3254accd3925274cb SHA-256: 449f8cda864e68ff4572f4a8f1dd0f91acee61876b7b4586ca430382641f891b
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell T1204.002 Malicious Link

The PDF contains a link farm and a malicious redirector URL, indicating an attempt to drive traffic to potentially harmful sites. The document body, though heavily obfuscated, contains the malicious URL and references an annual report, suggesting a lure for phishing or malware distribution. The presence of numerous external PDF links, many hosted on Shopify, further supports the link farm heuristic.

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.com/pify?keyword=essilorluxottica+soci%25C3%25A9t%25C3%25A9+anonyme+annual+report
    • http://danola.thepilatesconcept.com/uploads/1/3/0/7/130775475/koviragilu.pdf
    • http://files.southbyland.com/uploads/1/3/0/8/130814397/8766039.pdf
    • http://zegelu.novelideaspublishing.net/uploads/1/3/0/9/130970009/6091539.pdf
    • http://wadepu.ukteamchamps.com/uploads/1/3/1/6/131606165/libunisajavi-dazusoti-pemudukor.pdf
    • http://jonipo.neuropm-lab.com/uploads/1/3/1/3/131380086/b7ba4fffbde.pdf
    • https://cdn.shopify.com/s/files/1/0428/8138/4604/files/fozakifimibe.pdf
    • https://cdn.shopify.com/s/files/1/0431/0410/8711/files/trumpet_voluntary_in_d.pdf
    • https://cdn.shopify.com/s/files/1/0429/1824/8601/files/92663230286.pdf
    • https://cdn.shopify.com/s/files/1/0432/2839/7728/files/pazejozelawimetoxu.pdf
    • https://cdn.shopify.com/s/files/1/0432/4956/5853/files/ikea_jerker_desk.pdf
    • https://cdn.shopify.com/s/files/1/0432/8649/5396/files/roperudiwoza.pdf
    • https://cdn.shopify.com/s/files/1/0438/1127/4914/files/68903712160.pdf
    • https://cdn.shopify.com/s/files/1/0437/9171/2405/files/jezebiv.pdf
    • https://cdn.shopify.com/s/files/1/0432/0896/6307/files/93790827690.pdf
    • https://cdn.shopify.com/s/files/1/0430/6799/8362/files/mowowadofi.pdf
    • https://cdn.shopify.com/s/files/1/0431/3081/4626/files/how_to_delete_all_tweets.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_off000075ce.bin
89cff06b951111a4f9f3404121d7e085ba04c03d567ee0e2d5d624f25ceb28da
pdf-font-stream PDF embedded font (sfnt) at offset 0x75CE 5228 bytes
font_01_sfnt_off00008746.bin
98c58ef968fd7ec42fc0cd3f62c549c2bd3310926565e1cd1d9e0a9bd050d530
pdf-font-stream PDF embedded font (sfnt) at offset 0x8746 10364 bytes
font_02_sfnt_off0000aad0.bin
ff5f0ef16caf3e97cd1984b3a03ea88e11eab8cf63d2ee006085a4b9995833f3
pdf-font-stream PDF embedded font (sfnt) at offset 0xAAD0 4324 bytes