Malicious PDF — malware analysis report

Static analysis result for SHA-256 f5218c0e1691b737…

MALICIOUS

PDF

55.5 KB Created: 2020-08-19 00:00:36 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 348cc44a92bf5ecde0ace1ab09680552 SHA-1: 9e656923e3481cc3318d3443dcc535710cd168e6 SHA-256: f5218c0e1691b737bbdf57a1e16347d1046d947438a3f87ca14dc12f1e3a889e
140 Risk Score

Malware Insights

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

The PDF contains a lure related to vehicle inspection forms, directing users to a malicious redirector. It also hosts a large number of external PDF links, many pointing to potentially compromised Shopify domains, suggesting a link farm for SEO poisoning or traffic generation. The presence of a callback lure further indicates a phishing or scam attempt. The primary malicious URL is ttraff.com, which is known to host redirectors.

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.
  • 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
  • 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=florida+vin+inspection+and+odometer+reading+form
    • http://jipunezo.christinestockediting.com/uploads/1/3/1/1/131164250/dutewib.pdf
    • http://files.surface-cleaner.com/uploads/1/3/1/6/131637125/0dcee6.pdf
    • http://files.collectivesociety.com/uploads/1/3/1/4/131482968/ff5ec43443b4.pdf
    • http://files.eastonmadewoodsplitters.com/uploads/1/3/1/8/131857465/kawogedus.pdf
    • https://cdn.shopify.com/s/files/1/0432/1958/3133/files/international_durastar_4300_owner_s_manual.pdf
    • https://cdn.shopify.com/s/files/1/0431/5509/5712/files/1733649080.pdf
    • https://cdn.shopify.com/s/files/1/0447/9034/9975/files/best_pic_effects_app_for_android.pdf
    • https://cdn.shopify.com/s/files/1/0431/6472/9512/files/30629290441.pdf
    • https://cdn.shopify.com/s/files/1/0428/2040/3356/files/sasokasolifudakas.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/79086372433.pdf
    • https://cdn.shopify.com/s/files/1/0428/2122/2567/files/death_certificate_form_download.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_off0000993b.bin
87ef7f75e1554fa828dc36d81cd068bac1791bcc9fab517a831cdc63f89b96c0		 pdf-font-stream PDF embedded font (sfnt) at offset 0x993B 5488 bytes
font_01_sfnt_off0000abe1.bin
adaa39cbb83a149ee6de7ede907b94b737d9ec7f28824897e2a2b0b4050297d3		 pdf-font-stream PDF embedded font (sfnt) at offset 0xABE1 10904 bytes

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