Malicious PDF — malware analysis report

Static analysis result for SHA-256 e09f13c6026d1a58…

MALICIOUS

PDF

33.8 KB Created: 2020-08-23 18:58:36 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 5d15a1dd73a0d3fdacc2912b99cbfcc8 SHA-1: ae625422d91327b755402da9fd4fe6b5cc3b75f3 SHA-256: e09f13c6026d1a58f2d0b47425d9a4b8a2d4dba887847e221fc917471d8f31c4
120 Risk Score

Malware Insights

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

The PDF file contains a critical heuristic firing indicating a link to a known malicious redirector, ttraff.com. Additionally, it exhibits characteristics of a PDF link farm, with numerous embedded URLs, many hosted on Shopify. The primary malicious URL is likely the entry point for a phishing or malware distribution campaign. No scripts were extracted, but the presence of the malicious redirector and link farm strongly suggests a malicious intent to lure users to harmful content.

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=balian+beach+surf+report
    • http://favotix.riggsaroo.com/uploads/1/3/0/7/130739415/jojeborigiva.pdf
    • http://files.mrjohnweez.com/uploads/1/3/1/0/131070786/b4eb55d36abfc.pdf
    • https://cdn.shopify.com/s/files/1/0430/8277/6729/files/39206250131.pdf
    • https://cdn.shopify.com/s/files/1/0436/9501/4042/files/gurifunes.pdf
    • https://cdn.shopify.com/s/files/1/0430/2916/8282/files/jijutovolodunebu.pdf
    • https://cdn.shopify.com/s/files/1/0431/2521/1298/files/cell_culture_media_market.pdf
    • https://cdn.shopify.com/s/files/1/0434/3480/3352/files/59128165872.pdf
    • https://cdn.shopify.com/s/files/1/0434/6111/6064/files/converter_to_kindle_format_free.pdf
    • https://cdn.shopify.com/s/files/1/0437/6068/1109/files/letter_of_intent_for_internship.pdf
    • https://cdn.shopify.com/s/files/1/0429/9961/1553/files/57577647910.pdf
    • https://cdn.shopify.com/s/files/1/0434/4299/5352/files/xodanodu.pdf
    • https://cdn.shopify.com/s/files/1/0437/4088/9240/files/abramelin_the_mage_book.pdf
    • https://cdn.shopify.com/s/files/1/0430/7730/4484/files/winchester_super_x_model_1.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_off000046c6.bin
789176618d756eef677ef8f4d819800b13ef4d5cd8a5ab6e11602ff7d789a6a2		 pdf-font-stream PDF embedded font (sfnt) at offset 0x46C6 5292 bytes
font_01_sfnt_off000058b3.bin
5d5a6cc164c85ed51b58d57895b53b4cd8af4a71bc5fa9442932a3b140cf17e4		 pdf-font-stream PDF embedded font (sfnt) at offset 0x58B3 9844 bytes

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