Malicious PDF — malware analysis report

Static analysis result for SHA-256 d797095a08fa581d…

MALICIOUS

PDF

49.5 KB Created: 2020-07-26 21:47:08 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 5ce38e62e8da3003dd21ba816c7dbf1a SHA-1: 6e28cdfe98dfe5675ca70a5fb34681000865976e SHA-256: d797095a08fa581d6aaef10d3b02ad3e31e3732b41f712224d436cee59835947
120 Risk Score

Malware Insights

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

The PDF file contains multiple embedded links, with one identified as a malicious redirector. The heuristic PDF_MALICIOUS_REDIRECTOR_LINK indicates that the link `https://ttraff.com/pify?keyword=cesena+milan+formazioni` points to known malicious infrastructure. Additionally, the PDF_SEO_LINK_FARM heuristic suggests a large number of external links, with `https://cdn.shopify.com/s/files/1/0433/0687/7080/files/73792904944.pdf` being the first identified. This indicates a likely attempt to lure users to malicious sites, potentially for phishing or malware distribution.

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=cesena+milan+formazioni
    • http://files.joyloveandlight.com/uploads/1/3/2/6/132681513/domisew_xisidudumejo_zalatobif_lazipozixapur.pdf
    • http://files.hisonelife.com/uploads/1/3/1/4/131437037/refebosi-bapowewaw.pdf
    • http://files.sakinaliterarysociety.com/uploads/1/3/1/4/131452904/nowiraba.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/73792904944.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/96617946950.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/jatud.pdf
    • https://cdn.shopify.com/s/files/1/0434/7409/2196/files/zivujaf.pdf
    • https://cdn.shopify.com/s/files/1/0432/5064/7204/files/23859956814.pdf
    • https://cdn.shopify.com/s/files/1/0437/7490/2423/files/25671145717.pdf
    • https://cdn.shopify.com/s/files/1/0430/8893/7120/files/200349851.pdf
    • https://cdn.shopify.com/s/files/1/0429/8833/9361/files/senasidezididedo.pdf
    • https://cdn.shopify.com/s/files/1/0432/8423/4398/files/fivarubogusejebezu.pdf
    • https://cdn.shopify.com/s/files/1/0433/4790/2629/files/xofefifujenibefuvajoxuti.pdf
    • https://cdn.shopify.com/s/files/1/0433/8951/7973/files/bexejiremilugezufiwanafib.pdf
    • https://cdn.shopify.com/s/files/1/0436/6965/1606/files/13877055853.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/24375498268.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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000870e.bin
801557d8085d319ce703daf6c3b50317987c2eca7b46b05fe4b874c0f76fdf8a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x870E 4696 bytes
font_01_sfnt_off000096d9.bin
e0fdc2243d0fe4180b177228bf1dd631908b9f53af6e163bf17772301827438c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x96D9 10136 bytes

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