Malicious PDF — malware analysis report

Static analysis result for SHA-256 c5a3b614c1b8d13c…

MALICIOUS

PDF

54.3 KB Created: 2020-08-10 19:58:44 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 3e42e00ea8cb9ab838f0a632e21e748a SHA-1: 2114f80fbf5199ceb267e9d0d2c8a0b4c54faf44 SHA-256: c5a3b614c1b8d13c7e5efd0e476290dbc3a710a3c0d3b9aaec694f49cad13be0
120 Risk Score

Malware Insights

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

The PDF contains numerous embedded links, with a critical heuristic firing indicating a malicious redirector. The primary link, 'https://ttraff.com/pify?keyword=nine+knowledge+areas+of+project+management+pdf', is designed to lure users into clicking by appearing to offer a relevant PDF. This link redirects to further infrastructure, suggesting a phishing or malware delivery attempt.

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=nine+knowledge+areas+of+project+management+pdf
    • http://files.planninginblackandwhite.com/uploads/1/3/2/7/132710655/bobuzugipiz_renele_litazafurusagop.pdf
    • http://xefulugog.emilyjaneart.co.uk/uploads/1/3/0/8/130814328/4524714.pdf
    • http://files.paperboyproductions.net/uploads/1/3/1/4/131455463/6567438.pdf
    • http://files.museumofstreetculture.org/uploads/1/3/2/6/132695832/giliwo-lazajobokerebi-monuf.pdf
    • http://files.complaintagainstprimera.com/uploads/1/3/0/7/130775516/6620749.pdf
    • https://cdn.shopify.com/s/files/1/0432/7384/6952/files/69467849221.pdf
    • https://cdn.shopify.com/s/files/1/0428/2771/0630/files/15777256556.pdf
    • https://cdn.shopify.com/s/files/1/0434/3771/9717/files/44890826775.pdf
    • https://cdn.shopify.com/s/files/1/0436/8062/8889/files/ripajupidosu.pdf
    • https://cdn.shopify.com/s/files/1/0435/6715/3313/files/amplificateur_oprationnel_idal_exercice_corrig.pdf
    • https://cdn.shopify.com/s/files/1/0433/7418/2563/files/the_blacklist_s03e09_torrent.pdf
    • https://cdn.shopify.com/s/files/1/0427/6381/3020/files/20300584608.pdf
    • https://cdn.shopify.com/s/files/1/0428/3881/8982/files/85474408078.pdf
    • https://cdn.shopify.com/s/files/1/0452/1938/1399/files/revelation_bible_study_malayalam.pdf
    • https://cdn.shopify.com/s/files/1/0427/5198/3772/files/how_to_make_bonemeal_in_minecraft.pdf
    • https://cdn.shopify.com/s/files/1/0431/9654/7230/files/jakumej.pdf
    • https://cdn.shopify.com/s/files/1/0432/5857/7046/files/33196939381.pdf
    • https://cdn.shopify.com/s/files/1/0437/7870/3511/files/32021800453.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_off0000963c.bin
f45ec8d5c2116ddf7fce0b63e5cafe37642fd44f65396d94d4e4c607f14d234b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x963C 5676 bytes
font_01_sfnt_off0000a992.bin
6a2834a15854c2bff51114b0f4cbc2d5f1a9bfb4f38a123e006b405260501b0c		 pdf-font-stream PDF embedded font (sfnt) at offset 0xA992 10012 bytes

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