Malicious PDF — malware analysis report

Static analysis result for SHA-256 516ce55dbbddebdd…

MALICIOUS

PDF

39.4 KB Created: 2020-08-16 18:04:54 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 39d060f4db5458089ddc11c0c0467d8b SHA-1: d7ac5e7e2c947cb1cc6e9240634c533259eebd78 SHA-256: 516ce55dbbddebdde1954b031a6074e89d7c73db45400017a5e70def12379ae2
148 Risk Score

Malware Insights

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

The PDF contains a mass of external links, many hosted on Shopify, designed to appear as search results or downloadable content. One prominent link, 'Android google account verification bypass', redirects to the malicious domain ttraff.com. This suggests a phishing or scam campaign aiming to trick users into clicking malicious links. No scripts were extracted from this sample.

Heuristics 5

  • 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.
  • Callback phishing phone lure medium SE_CALLBACK_LURE
    Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns
  • 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/pify?keyword=android+google+account+verification+bypass
    • http://files.lauragilliom.com/uploads/1/3/1/4/131409677/ralaluge-zebuluforawol-wetabakikunute.pdf
    • https://cdn.shopify.com/s/files/1/0431/8648/7455/files/sims_freeplay_cheats_android_2016.pdf
    • https://cdn.shopify.com/s/files/1/0433/1382/3909/files/97679335780.pdf
    • https://cdn.shopify.com/s/files/1/0451/1003/4597/files/kemobajev.pdf
    • https://cdn.shopify.com/s/files/1/0437/4321/5767/files/remove_special_characters_from_string_php.pdf
    • https://cdn.shopify.com/s/files/1/0438/4423/9510/files/5739921115.pdf
    • https://cdn.shopify.com/s/files/1/0437/0956/3045/files/honda_foreman_450.pdf
    • https://cdn.shopify.com/s/files/1/0431/8422/6453/files/54987859513.pdf
    • https://cdn.shopify.com/s/files/1/0432/7197/9172/files/new_cb_edit_background_hd.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/ximulomonarosaw.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_off00005ab6.bin
ddf72c18aa9e5ac4bbca6ef9a9abddf62b8360e1df477210079c2e624bf8be74		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5AB6 5616 bytes
font_01_sfnt_off00006de3.bin
3bd266e893381209b94e53e26d241d13d78f990687afea0d4df5ac083bbba989		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6DE3 10308 bytes

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