Malicious PDF — malware analysis report

Static analysis result for SHA-256 47dd56e73f48adc5…

MALICIOUS

PDF

40.5 KB Created: 2020-08-22 06:21:46 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: fec71973b94f824927798c7f8c78ae45 SHA-1: d2c88346cef5277ef329752497aed6acaecf679d SHA-256: 47dd56e73f48adc5402c7bd3cc198c4da0e2002d830df896d0ac31d3a05b7b36
120 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links, a technique often used to create SEO spam or to redirect users to malicious sites. One of the embedded URLs, 'https://ttraff.com/pify?keyword=bahubali+2+telugu+video+songs++mp4', is identified as a malicious redirector. No scripts were extracted from this sample, but the link farm and malicious redirector strongly suggest a phishing or malware distribution attempt.

Heuristics 3

  • 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.
  • 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=bahubali+2+telugu+video+songs++mp4
    • http://files.doubleimagetheaterlab.com/uploads/1/3/2/6/132681617/67b562ad87.pdf
    • http://buxera.villageofhopeministries.org/uploads/1/3/1/0/131071157/fb06a62125796.pdf
    • http://buxera.villageofhopeministries.org/uploads
    • https://cdn.shopify.com/s/files/1/0432/3767/1080/files/68527717144.pdf
    • https://cdn.shopify.com/s/files/1/0429/9980/8149/files/wotisidaxus.pdf
    • https://cdn.shopify.com/s/files/1/0435/2537/4103/files/vinatokaxupozavuzerop.pdf
    • https://cdn.shopify.com/s/files/1/0437/4206/8887/files/44360242542.pdf
    • https://cdn.shopify.com/s/files/1/0438/5823/1461/files/38741646278.pdf
    • https://cdn.shopify.com/s/files/1/0434/8208/7576/files/quantitative_data_analysis_journal.pdf
    • https://cdn.shopify.com/s/files/1/0430/4656/8098/files/64118725289.pdf
    • https://cdn.shopify.com/s/files/1/0438/4679/5414/files/neural_networks_and_deep_learning_basics.pdf
    • https://cdn.shopify.com/s/files/1/0449/8564/7272/files/python_array_of_objects.pdf
    • https://cdn.shopify.com/s/files/1/0435/2072/1055/files/platformer_level_design_tutorial.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_off00005fbd.bin
3f89d01290ebfd0ab262079353d7067603a10792718661624a37bb09ad538b45		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5FBD 5748 bytes
font_01_sfnt_off0000732a.bin
99386ef78281a7d83a8ac2889867587f7f638fa12b301a43d41ea52fc107b64e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x732A 9936 bytes

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