Malicious PDF — malware analysis report

Static analysis result for SHA-256 f177223e32bc691a…

MALICIOUS

PDF

41.4 KB Created: 2020-08-18 21:49:51 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 4002eeb786d37ce5fa65e6021a4b4eb4 SHA-1: fa01d1277563e6fe5c3576f85b813507bd8de355 SHA-256: f177223e32bc691a05c8fbdace1a59b1ee3b90b4bd580dad400820a103155164
120 Risk Score

Malware Insights

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

The PDF file contains a heuristic firing for a malicious redirector link, which points to 'https://ttraff.cc/pify?keyword=agisoft+photoscan+professional+full'. This URL is likely intended to trick the user into downloading malicious software by appearing to offer a cracked version of 'Agisoft photoscan professional'. The document also contains a large number of embedded links, many of which point to benign Shopify URLs, likely as part of an SEO spam campaign to improve search engine ranking for malicious 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.cc/pify?keyword=agisoft+photoscan+professional+full
    • http://files.billyboudreau.com/uploads/1/3/0/7/130739039/jukopi_vogazageweko_zeroxumemugazes.pdf
    • http://files.jocabako.com/uploads/1/3/0/8/130874668/nosaz_moxagedefag.pdf
    • http://files.slimemakerexpo.com/uploads/1/3/0/7/130739154/xaferoroze-talenazuso-jelowitejoziwim.pdf
    • http://mefamu.rotolomusic.com/uploads/1/3/0/7/130776791/xadaxasinefugil-vusov-tenexuwozur.pdf
    • https://cdn.shopify.com/s/files/1/0444/4710/5191/files/1974814358.pdf
    • https://cdn.shopify.com/s/files/1/0433/7431/3621/files/87758902858.pdf
    • https://cdn.shopify.com/s/files/1/0427/7354/5116/files/zegumexononidizamozibo.pdf
    • https://cdn.shopify.com/s/files/1/0436/7217/4745/files/28166244139.pdf
    • https://cdn.shopify.com/s/files/1/0438/4089/7174/files/nilubogeril.pdf
    • https://cdn.shopify.com/s/files/1/0433/6333/6350/files/28801937298.pdf
    • https://cdn.shopify.com/s/files/1/0430/5649/6791/files/kabepumufunepinolijituzo.pdf
    • https://cdn.shopify.com/s/files/1/0433/8581/5190/files/6443562277.pdf
    • https://cdn.shopify.com/s/files/1/0431/1682/2679/files/bipozolama.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_off000063fa.bin
96e1c83914214c8e1977ed15ebf305aa76bf0da430ef587b0a7f8f4e7fbfd2aa		 pdf-font-stream PDF embedded font (sfnt) at offset 0x63FA 5264 bytes
font_01_sfnt_off000075de.bin
4ac4cc76bb721e35296932d02f463d80c6d5bb75ca8f1f57538acd1a26eb5b48		 pdf-font-stream PDF embedded font (sfnt) at offset 0x75DE 10216 bytes

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