Malicious PDF — malware analysis report

Static analysis result for SHA-256 c5847650698c3968…

MALICIOUS

PDF

35.5 KB Created: 2020-08-30 06:38:54 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: d5c070c05225db48b67b6ae9173c72e7 SHA-1: 1bdc5503b558aa76931b736500eaadf2a614511d SHA-256: c5847650698c39680388e44eafbaf129594dbab5d69f1b6dd55609896348de95
152 Risk Score

Malware Insights

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

The PDF document exhibits characteristics of a link farm, with numerous embedded URLs. The primary URL, 'https://ttraff.com/wix?keyword=beacon+theater+seating+chart+virtual', is identified as a malicious redirector, suggesting an attempt to lure users to a harmful destination. The presence of many external links, including those hosted on Shopify, further supports the link farm pattern. No scripts were extracted, and the document body was heavily obfuscated, limiting further analysis of the immediate payload.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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.
  • Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
    The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
  • 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=beacon+theater+seating+chart+virtual
    • https://static.usrfiles.com/ugd/a44510_47b0f93d4f48455aabf3a623c1468372.pdf
    • https://static.usrfiles.com/ugd/b8c837_10c490bdd8774643ac54b12024c3efec.pdf
    • https://static.usrfiles.com/ugd/b8c837_368b52a6506f474486ead39902221bed.pdf
    • https://cdn.shopify.com/s/files/1/0437/5812/5213/files/apk_ipa_spider_man_ps4.pdf
    • https://cdn.shopify.com/s/files/1/0447/1144/4634/files/bisection_method_derivation.pdf
    • https://cdn.shopify.com/s/files/1/0435/0571/3304/files/fable_3_weapon_morph_guide.pdf
    • https://cdn.shopify.com/s/files/1/0428/8829/8662/files/73130310771.pdf
    • https://cdn.shopify.com/s/files/1/0440/5703/4902/files/abnormal_psychology_barlow_and_durand.pdf
    • https://cdn.shopify.com/s/files/1/0433/8660/1635/files/encyclopedia_of_general_science_for_general_competitions_download.pdf
    • https://cdn.shopify.com/s/files/1/0433/3551/6318/files/lolakokagapapunazafegar.pdf
    • https://cdn.shopify.com/s/files/1/0430/0115/1651/files/53313254901.pdf
    • https://cdn.shopify.com/s/files/1/0433/2149/1621/files/98319823182.pdf
    • https://cdn.shopify.com/s/files/1/0432/8869/0841/files/wifi_speed_booster_free.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_off00004cd3.bin
fb879ba8b559e5d004287a666058c37ca914b3489c7bc6f11a8cff9d2c88aa22
pdf-font-stream PDF embedded font (sfnt) at offset 0x4CD3 5172 bytes
font_01_sfnt_off00005e63.bin
74f7c6599b45ddcbbb3259ea7aeef25bf526b40e28c90da22caed1b41ea9b4f8
pdf-font-stream PDF embedded font (sfnt) at offset 0x5E63 10232 bytes