Malicious PDF — malware analysis report

Static analysis result for SHA-256 2f78c67505b6896f…

MALICIOUS

PDF

53.1 KB Created: 2020-08-23 05:33:06 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: e0b1ea2fd4b5553c27fe84400207bec8 SHA-1: d111830c7a299d60eb6907ca15f244bb9a0a5b1b SHA-256: 2f78c67505b6896f108de9580de957ef093351116bfffe095ab6a3f92556373d
130 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.001 User Execution: Malicious Link T1059.001 PowerShell

The PDF file contains multiple embedded links, with one identified as a malicious redirector. The document body, though heavily obfuscated, contains text related to 'Girl guides promise and law games' and a call-to-action phrase, suggesting a lure. The heuristic PDF_MALICIOUS_REDIRECTOR_LINK confirms the presence of a link to known malicious infrastructure, specifically 'https://ttraff.cc/pify?keyword=girl+guides+promise+and+law+games'. This indicates a phishing or social engineering attack aiming to redirect users to malicious content.

Heuristics 4

  • 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.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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=girl+guides+promise+and+law+games
    • http://suzon.mindbodypsychology.net/uploads/1/3/0/8/130874038/548f96451.pdf
    • http://files.boobsg.com/uploads/1/3/1/4/131406649/4fa37f.pdf
    • http://files.thesoundspace.net/uploads/1/3/0/8/130874543/5495136.pdf
    • https://cdn.shopify.com/s/files/1/0435/4569/0266/files/16138270931.pdf
    • https://cdn.shopify.com/s/files/1/0431/7931/1253/files/17942176076.pdf
    • https://cdn.shopify.com/s/files/1/0431/4447/8874/files/12758527854.pdf
    • https://cdn.shopify.com/s/files/1/0440/2148/1622/files/46951095306.pdf
    • https://cdn.shopify.com/s/files/1/0429/4246/4166/files/37910591473.pdf
    • https://cdn.shopify.com/s/files/1/0437/3417/1800/files/44181126823.pdf
    • https://cdn.shopify.com/s/files/1/0430/8451/3440/files/vosexibebibe.pdf
    • https://cdn.shopify.com/s/files/1/0433/9279/4773/files/bgp_protocol_router_alley.pdf
    • https://cdn.shopify.com/s/files/1/0434/3241/1298/files/definite_indefinite_article_exercise.pdf
    • https://cdn.shopify.com/s/files/1/0433/2758/6472/files/samomosaxule.pdf
    • https://cdn.shopify.com/s/files/1/0440/1725/4558/files/wrong_turn_7_full_movie_720p.pdf
    • https://cdn.shopify.com/s/files/1/0431/9156/6493/files/credit_risk_management_2020.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_off0000854c.bin
e519d338c5f1249c41b47ca1ed80accbf10ba91a10be9404a68e9da0c6054b0a
pdf-font-stream PDF embedded font (sfnt) at offset 0x854C 5204 bytes
font_01_sfnt_off000096e8.bin
37083a3b336eafc135085d52e889969059abf3520e9e93c23e8115a1e6876ae2
pdf-font-stream PDF embedded font (sfnt) at offset 0x96E8 9996 bytes
font_02_sfnt_off0000b904.bin
1062cd8ddf90f4344fa193b395386d5669df1a952e5759311ca261a71931f361
pdf-font-stream PDF embedded font (sfnt) at offset 0xB904 4324 bytes