Malicious PDF — malware analysis report

Static analysis result for SHA-256 23395f2b33af512a…

MALICIOUS

PDF

45.5 KB Created: 2020-08-30 19:49:40 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 6c0b362abc2aa11d16c4a16220fb6db4 SHA-1: d23227d739b6379d21e6433a731e5cb62f9c03c8 SHA-256: 23395f2b33af512aaf1186fb0c700077c6f13c136845be39621ac4f2e77b866c
120 Risk Score

Malware Insights

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

The PDF contains a heuristic firing for a malicious redirector link, pointing to ttraff.com. The document body, though heavily obfuscated, contains the same URL, suggesting a lure for users to click on what appears to be a movie download link. The presence of numerous other PDF links, many hosted on Shopify, indicates a link farm strategy to obscure the malicious redirector. No scripts were extracted from this sample.

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/wix?keyword=ben+10+alien+swarm+-+hindi+dubbed+movie+watch+online
    • https://static.usrfiles.com/ugd/41a0b6_ffc679d1ece04fc4b29af87c8b0410f0.pdf
    • https://static.usrfiles.com/ugd/b8c837_2bb73b75561047939d52aa76e6e8a4b1.pdf
    • https://static.usrfiles.com/ugd/9e14ca_19e4f8cbcf4c48338b90836557bfe545.pdf
    • https://static.usrfiles.com/ugd/865d50_0aac886fc3304f00a64deb8400030915.pdf
    • https://static.usrfiles.com/ugd/cf14a4_ae2fa77f6802462f8d6eec7727852185.pdf
    • https://cdn.shopify.com/s/files/1/0432/8413/6086/files/92384974570.pdf
    • https://cdn.shopify.com/s/files/1/0431/4578/9600/files/31423895487.pdf
    • https://cdn.shopify.com/s/files/1/0430/3673/7699/files/cat_3126_specifications.pdf
    • https://cdn.shopify.com/s/files/1/0430/4257/0402/files/computer_embroidery_designs_free.pdf
    • https://cdn.shopify.com/s/files/1/0431/8108/0725/files/precalculus_with_limits_3rd_edition.pdf
    • https://cdn.shopify.com/s/files/1/0431/4572/4055/files/dapafipexupuzowivavefator.pdf
    • https://cdn.shopify.com/s/files/1/0428/2348/3548/files/95826039164.pdf
    • https://cdn.shopify.com/s/files/1/0438/6376/9243/files/tudoreji.pdf
    • https://cdn.shopify.com/s/files/1/0431/0607/4780/files/rutopegutuvujepezezuje.pdf
    • https://cdn.shopify.com/s/files/1/0434/6678/4932/files/tarzan_car_full_movie_mp4.pdf
    • https://cdn.shopify.com/s/files/1/0434/0544/3233/files/betobetosoliju.pdf
    • https://cdn.shopify.com/s/files/1/0430/8271/1201/files/43577185210.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000065b2.bin
b427df94d392e13b37c81cfb4002f00d28dcc3a6d12085760553332747f7c856
pdf-font-stream PDF embedded font (sfnt) at offset 0x65B2 5628 bytes
font_01_sfnt_off000078ba.bin
4285ec8c657493f57ab4cf6a97f2e0cc0f71d601e119f4533f2b556008271a5c
pdf-font-stream PDF embedded font (sfnt) at offset 0x78BA 9888 bytes
font_02_sfnt_off00009a93.bin
05d2457133b820fa77aa358e30e9acfbad3f04c46ced9a37296d9311117db176
pdf-font-stream PDF embedded font (sfnt) at offset 0x9A93 4324 bytes