Malicious PDF — malware analysis report

Static analysis result for SHA-256 4b4eb6f7fca81a2f…

MALICIOUS

PDF

43.8 KB Created: 2020-08-30 08:09:50 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 12367ab5f9fe26a0039b294e2b28aa35 SHA-1: 5e70337a7b872c49ce8d9a99fe31e84f806de49e SHA-256: 4b4eb6f7fca81a2f99b605652d8011e4f8bb637dca7b3cadc66e584a5fbee352
128 Risk Score

Malware Insights

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

The PDF contains a malicious redirector link disguised as a download button, aiming to lure users to a malicious site. The document body contains text related to 'Asphalt 8 hilesi indir' and a URL pointing to a redirector, which is a common social engineering tactic. The presence of a link farm further supports the malicious intent.

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.com/wix?keyword=asphalt+8+hilesi+indir
    • https://cdn.shopify.com/s/files/1/0432/4058/7423/files/building_construction_free.pdf
    • https://cdn.shopify.com/s/files/1/0433/7709/8915/files/the_people_vs_muhammad.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/magej.pdf
    • https://cdn.shopify.com/s/files/1/0434/5479/1832/files/gajugunufilewit.pdf
    • https://cdn.shopify.com/s/files/1/0435/3920/2207/files/2000_mitsubishi_montero_sport_owners.pdf
    • https://cdn.shopify.com/s/files/1/0437/9095/8749/files/dulorukibemadaraw.pdf
    • https://cdn.shopify.com/s/files/1/0435/9487/5039/files/pixie_hollow_games_movie_watch_online_free.pdf
    • https://cdn.shopify.com/s/files/1/0433/9171/3447/files/algebra_1_midterm_review_answer_key_2018.pdf
    • https://cdn.shopify.com/s/files/1/0432/4887/7736/files/82578501528.pdf
    • https://cdn.shopify.com/s/files/1/0432/0346/1283/files/wagezetudorerexomepare.pdf
    • https://cdn.shopify.com/s/files/1/0438/5298/8566/files/metodo_anticonceptivo_diu.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_off0000626e.bin
adb12367e8dc5ca4d73e7436e153e9b142c94b2b9172e4ff5dd944d95720d356		 pdf-font-stream PDF embedded font (sfnt) at offset 0x626E 5232 bytes
font_01_sfnt_off0000741f.bin
16d53ed596c7f4fff38b23ed242263b7dc1817494c2e3eaa037c907c5699ed85		 pdf-font-stream PDF embedded font (sfnt) at offset 0x741F 14404 bytes

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