Malicious PDF — malware analysis report

Static analysis result for SHA-256 faca53b935851a88…

MALICIOUS

PDF

38.2 KB Created: 2020-09-17 20:21:08 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: fd19e266c91e57bff568122fd4a50f1d SHA-1: f4a92940084b4a90ab64865654a1b5112ca7ccf1 SHA-256: faca53b935851a887fa1f600698345af8c825b73b041c011df2b29e292763535
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains embedded links, with one specifically pointing to a known malicious redirector at 'https://ttraff.club/wix?keyword=sparkle+movie+online+free+2012'. The document body, though heavily obfuscated, contains this URL and references to 'sparkle movie online free 2012', suggesting a lure to entice users to click the malicious link. The presence of numerous other links, many hosted on Shopify, indicates a link farm strategy, likely for SEO poisoning or to obscure the final malicious destination. The ML classifier strongly supports the malicious nature of this PDF.

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.club/wix?keyword=sparkle+movie+online+free+2012
    • http://mijulo.sacvalleydha.org/uploads/1/3/0/7/130776791/pebujifapu_fifatusadaboxu_puzema.pdf
    • http://files.tournamentmanagementsolutions.com/uploads/1/3/0/7/130776110/f242ee33dbb0bb.pdf
    • http://bimuwek.cheytownlady.com/uploads/1/3/1/3/131380480/juxarebatus-dirorobuzatowug-nibazagu.pdf
    • http://pojinafor.goodfoodgroup.org/uploads/1/3/0/7/130776661/3275506.pdf
    • https://cdn.shopify.com/s/files/1/0433/1762/4990/files/28344808904.pdf
    • https://cdn.shopify.com/s/files/1/0436/5120/3225/files/24426518831.pdf
    • https://cdn.shopify.com/s/files/1/0460/1875/6767/files/jasper_report_table.pdf
    • https://cdn.shopify.com/s/files/1/0437/4849/1425/files/64913982404.pdf
    • https://cdn.shopify.com/s/files/1/0438/1281/5008/files/amrit_maan_songs_all.pdf
    • https://cdn.shopify.com/s/files/1/0427/8000/0423/files/wrong_turn_1_telugu_full_movie.pdf
    • https://cdn.shopify.com/s/files/1/0436/0136/3107/files/edius_6_crack_file.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_off0000561c.bin
4ec6d2356ee8967c68e68e1b53bb0f9febc528ccd692555ce0b64bb837d38e6f
pdf-font-stream PDF embedded font (sfnt) at offset 0x561C 5420 bytes
font_01_sfnt_off00006888.bin
80ba9b3da9b7827bad4d5133189cd28c5cc53dd390d0ef7726151af7cfcacec0
pdf-font-stream PDF embedded font (sfnt) at offset 0x6888 10504 bytes