Malicious PDF — malware analysis report

Static analysis result for SHA-256 aa02020bfe4a8f75…

MALICIOUS

PDF

49.6 KB Created: 2020-08-21 06:12:47 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: cded6b444d28b0ee5cee4ff5df354f4a SHA-1: 69203bd26373741af1c0c9a64c4afce3fadefaff SHA-256: aa02020bfe4a8f752609c17c077168e9625d6ad608f7ddc730090718c8ae3741
140 Risk Score

Malware Insights

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

The PDF contains a mass of external links, many hosted on Shopify, designed to appear as legitimate documents but likely serving as a link farm. One critical heuristic identified a link to a known malicious redirector, https://ttraff.cc/pify?keyword=meeting+invite+template+sample, which is the primary indicator of malicious intent. The document body, though heavily obfuscated, contains references to meeting invites and the malicious URL, reinforcing the lure.

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.cc/pify?keyword=meeting+invite+template+sample
    • http://malexe.ellenpiercemusic.com/uploads/1/3/1/1/131163908/ff184.pdf
    • http://mabar.tallywood.com/uploads/1/3/1/4/131437375/visubuvugora_guleto.pdf
    • http://files.kolkatainitiatives.net/uploads/1/3/0/7/130776619/d39a994a28a85.pdf
    • https://cdn.shopify.com/s/files/1/0430/2585/8714/files/49277130652.pdf
    • https://cdn.shopify.com/s/files/1/0433/1274/2550/files/56845670658.pdf
    • https://cdn.shopify.com/s/files/1/0434/1468/3813/files/tadebazuvidu.pdf
    • https://cdn.shopify.com/s/files/1/0435/0833/4744/files/gramatyka_angielski_matura.pdf
    • https://cdn.shopify.com/s/files/1/0438/1809/0653/files/40971284963.pdf
    • https://cdn.shopify.com/s/files/1/0430/0659/1127/files/64430705931.pdf
    • https://cdn.shopify.com/s/files/1/0433/1637/9816/files/98560761646.pdf
    • https://cdn.shopify.com/s/files/1/0432/0192/1184/files/vutugewiribolinas.pdf
    • https://cdn.shopify.com/s/files/1/0431/4021/9034/files/59808293327.pdf
    • https://cdn.shopify.com/s/files/1/0433/9266/3702/files/26118080677.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_off00007c32.bin
cdd7304502ee253bc6322b038e4d3c611d2164d93fea8e64acdd18b1edd38da8		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7C32 5108 bytes
font_01_sfnt_off00008d91.bin
24a3093eb2edc56ab6ba66867adaae7704873bd6a8e431f51e80261a92af8319		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8D91 13788 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.