Malicious PDF — malware analysis report

Static analysis result for SHA-256 9000400717a7fcc1…

MALICIOUS

PDF

42.1 KB Created: 2020-08-25 11:02:29 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 73caf5099c295f4e65a2b09b032ccf2a SHA-1: b5111e62b96be31700e2471bfaf42d1ee90fd260 SHA-256: 9000400717a7fcc1593657b1ca73bd65bb83a0bcc572c60854aa2dbb34dce4e3
120 Risk Score

Malware Insights

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

The PDF file contains numerous embedded links, with one specifically identified as a malicious redirector. The document body, though partially corrupted, includes the text 'Baby g bsa b100 manual' and the malicious URL, suggesting a lure to trick users into clicking the link. The presence of a large number of external PDF links further indicates a link farm strategy, likely for SEO manipulation or to host further 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=baby+g+bsa+b100+manual
    • http://kisaxop.drak-arts.com/uploads/1/3/1/6/131636881/3299185.pdf
    • http://files.jkdnorthampton.co.uk/uploads/1/3/1/6/131637240/sabafap_mewijakofosu_morumif.pdf
    • http://files.nsbonline.shop/uploads/1/3/1/0/131070718/xobiv_mowirasexuro.pdf
    • https://cdn.shopify.com/s/files/1/0463/0917/9554/files/bibeviwomolevarerusagez.pdf
    • https://cdn.shopify.com/s/files/1/0428/1293/2255/files/47218562625.pdf
    • https://cdn.shopify.com/s/files/1/0433/8896/0933/files/jinja2._exceptions._templatenotfound_templatenotfound_index._html.pdf
    • https://cdn.shopify.com/s/files/1/0430/4257/0402/files/extreme_ap_7522.pdf
    • https://cdn.shopify.com/s/files/1/0465/0821/2374/files/buvavivemagaf.pdf
    • https://cdn.shopify.com/s/files/1/0431/2930/7287/files/40370994625.pdf
    • https://cdn.shopify.com/s/files/1/0428/4101/4438/files/xawojab.pdf
    • https://cdn.shopify.com/s/files/1/0431/5856/9120/files/jezawilavegepoza.pdf
    • https://cdn.shopify.com/s/files/1/0430/4656/8098/files/94326212531.pdf
    • https://cdn.shopify.com/s/files/1/0430/6714/6397/files/rupifal.pdf
    • https://cdn.shopify.com/s/files/1/0430/6822/7737/files/baby_doll_2002_movie_songs_free.pdf
    • https://cdn.shopify.com/s/files/1/0436/9760/2713/files/xuniwavalawararupe.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_off00006634.bin
c2ffb5614e9f9bf2c4906aeba74bfcba9964888472901e2cfdfb6ec391707be6		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6634 5392 bytes
font_01_sfnt_off00007887.bin
04ad1ff953b1e6676d16e5cbd6893d310932b631bde1c72b7ab6148c60236a56		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7887 10224 bytes

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