Malicious PDF — malware analysis report

Static analysis result for SHA-256 c908c7b6037a5d66…

MALICIOUS

PDF

35.2 KB Created: 2020-08-10 03:44:41 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 87a0c083b8894dc4aba22a57691b0ff7 SHA-1: 41e85a4aaa97f68e835774d434567ce5a1b6fdce SHA-256: c908c7b6037a5d6665a638d6209ba8adf2a74548864145e619deff304b5fbfbe
120 Risk Score

Malware Insights

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

The PDF file contains a link farm designed to manipulate search engine results, directing users to a malicious redirector. The document body, though partially corrupted, contains text related to 'automatismos industriales' and a URL that is flagged as a malicious redirector. This indicates a phishing or scam attempt to lure users to malicious sites under the guise of providing a free download.

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=automatismos+industriales+editex+pdf+descargar+gratis
    • http://files.raydogsbatrolling.com/uploads/1/3/0/7/130740464/maluxizokatase.pdf
    • http://files.petrinka.com/uploads/1/3/1/4/131409200/fejekofijisekugobuna.pdf
    • http://files.aomskw.com/uploads/1/3/1/8/131856071/8269911.pdf
    • https://cdn.shopify.com/s/files/1/0437/1320/0282/files/wemoxudunote.pdf
    • https://cdn.shopify.com/s/files/1/0433/1952/5534/files/46060962472.pdf
    • https://cdn.shopify.com/s/files/1/0433/2729/1544/files/durusibowipeze.pdf
    • https://cdn.shopify.com/s/files/1/0434/0921/1557/files/34018283442.pdf
    • https://cdn.shopify.com/s/files/1/0431/9684/2142/files/rizisalumirifemuxedero.pdf
    • https://cdn.shopify.com/s/files/1/0447/1826/0377/files/sam_seder_net_worth.pdf
    • https://cdn.shopify.com/s/files/1/0430/9906/2426/files/49866388961.pdf
    • https://cdn.shopify.com/s/files/1/0429/6101/0842/files/90631500225.pdf
    • https://cdn.shopify.com/s/files/1/0430/8828/1761/files/88082013807.pdf
    • https://cdn.shopify.com/s/files/1/0437/9354/7426/files/11351649958.pdf
    • https://cdn.shopify.com/s/files/1/0432/5713/5257/files/caballo_de_troya_7_descargar_gratis.pdf
    • https://cdn.shopify.com/s/files/1/0432/0663/9779/files/12746174017.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_off000049de.bin
97ef0591711dcc783720423c5b42b8e741f09efbc4a3209b65a09a1afbe4faa5		 pdf-font-stream PDF embedded font (sfnt) at offset 0x49DE 5532 bytes
font_01_sfnt_off00005c9b.bin
dca9b15c8f9285184d5f5a0786608e5172b9cd9172e0bebce6bb919422e03672		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5C9B 10164 bytes

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