Malicious PDF — malware analysis report

Static analysis result for SHA-256 45ac595b445b9c61…

MALICIOUS

PDF

45.6 KB Created: 2020-08-24 04:43:30 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: c0bc8848b299f341ae85b6d2baaadd65 SHA-1: c6cfed073d3033c967511b58aedc22703d2e4877 SHA-256: 45ac595b445b9c61d30420d23bd6cf387243cef9e73f4815d03c0fbd349503c4
128 Risk Score

Malware Insights

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

The PDF contains a critical heuristic firing for a malicious redirector link pointing to 'ttraff.com', which is used in conjunction with a PDF link farm heuristic. The document body, though heavily obfuscated, contains a reference to 'instagram likes apk' and the malicious URL. This suggests the document is designed to trick users into clicking the link, likely leading to malware download or a phishing attempt.

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.
  • Urgency / deadline lure low SE_URGENCY_LURE
    Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
  • 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=instagram+likes+apk
    • http://raleg.mellomonkey.com/uploads/1/3/1/3/131379296/6dad822a52c.pdf
    • http://jaxagiro.swimteamcotesaintlucaquatics.com/uploads/1/3/1/4/131482975/c6ad7.pdf
    • https://cdn.shopify.com/s/files/1/0429/2476/9436/files/varapef.pdf
    • https://cdn.shopify.com/s/files/1/0434/6304/9376/files/42079237817.pdf
    • https://cdn.shopify.com/s/files/1/0434/0429/6348/files/atorvastatin_metformin_fixed_dose_combination.pdf
    • https://cdn.shopify.com/s/files/1/0432/0978/5499/files/aws_certified_solutions_architect_blueprint.pdf
    • https://cdn.shopify.com/s/files/1/0434/4374/9029/files/esl_interview_questions_and_answers.pdf
    • https://cdn.shopify.com/s/files/1/0433/7192/1571/files/33949438881.pdf
    • https://cdn.shopify.com/s/files/1/0431/2439/2087/files/22274291699.pdf
    • https://cdn.shopify.com/s/files/1/0432/8413/6086/files/ytd_video_er_for_iphone_6.pdf
    • https://cdn.shopify.com/s/files/1/0434/5593/8725/files/16127619748.pdf
    • https://cdn.shopify.com/s/files/1/0432/1568/3743/files/17697451996.pdf
    • https://cdn.shopify.com/s/files/1/0431/0076/6369/files/92921518778.pdf
    • https://cdn.shopify.com/s/files/1/0451/1150/9145/files/ncert_class_9_beehive_textbook.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_off0000742d.bin
84679c1ce29d38373df30951b30521a0687e633fa636f8d860867ce0a8460d7c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x742D 5140 bytes
font_01_sfnt_off0000858c.bin
c038089788a881e5c86659b94b149cfda7f55c621223498489b4f9cec6b43527		 pdf-font-stream PDF embedded font (sfnt) at offset 0x858C 10692 bytes

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