Malicious PDF — malware analysis report

Static analysis result for SHA-256 fba8679f8f7be9c2…

MALICIOUS

PDF

53.4 KB Created: 2020-08-07 00:09:27 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 3c85f66fd9b01af17cadd15e92253b4b SHA-1: 914119369e62cb12f20bfb87bd25c2519f408abb SHA-256: fba8679f8f7be9c20dbfb9a248ffd692befdaabcfbbe7f8236ac7469eaaf5a2d
160 Risk Score

Malware Insights

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

The PDF file contains a lure related to the 'Ayushman Bharat scheme' and includes a critical heuristic firing for a malicious redirector link. The document body, though partially corrupted, contains the same URL. The presence of numerous external PDF links, many hosted on Shopify, suggests a link farm designed to attract traffic, with the primary redirector pointing to a malicious domain. This indicates a likely advance-fee scam or 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.
  • Advance-fee lottery/parcel scam lure high SE_ADVANCE_FEE_SCAM_LURE
    Document contains lottery/beneficiary or prize language together with large-value draft/funds wording and parcel/courier delivery requirements. This is a classic advance-fee fraud document shape.
  • 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=ayushman+bharat+scheme+details+in+gujarati+pdf
    • http://files.lknailsandbeauty.co.uk/uploads/1/3/2/6/132681938/wovaxale.pdf
    • http://files.catkredefinedesign.net/uploads/1/3/0/9/130969440/111e3856376bd18.pdf
    • http://files.samuel-a-taylor.com/uploads/1/3/0/7/130775728/dasupuxig.pdf
    • http://paloli.breadbaskethemet.com/uploads/1/3/0/7/130776760/943696.pdf
    • https://cdn.shopify.com/s/files/1/0431/1416/8480/files/53413911334.pdf
    • https://cdn.shopify.com/s/files/1/0438/3630/9666/files/2.pdf
    • https://cdn.shopify.com/s/files/1/0430/3280/5527/files/23828113245.pdf
    • https://cdn.shopify.com/s/files/1/0445/7041/1172/files/functional_training_bible.pdf
    • https://cdn.shopify.com/s/files/1/0438/2097/4242/files/longest_common_substring.pdf
    • https://cdn.shopify.com/s/files/1/0438/4958/0704/files/97613402696.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/reragijod.pdf
    • https://cdn.shopify.com/s/files/1/0435/1806/6842/files/34423644574.pdf
    • https://cdn.shopify.com/s/files/1/0436/8121/8710/files/duzogazodosutorodukofe.pdf
    • https://cdn.shopify.com/s/files/1/0429/6704/0163/files/dixedazaxukede.pdf
    • https://cdn.shopify.com/s/files/1/0428/0382/2755/files/lakonakonudenipobog.pdf
    • https://cdn.shopify.com/s/files/1/0429/5180/3033/files/wurugupe.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 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006570.bin
4564d39540e16821292db88a68358627d961dc2547b7d4caf2aa7eaec30a151d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6570 5876 bytes
font_01_sfnt_off00007952.bin
e08845ba6252c5ced4a602e6c50a7d6cb69b3a9c577c2635b5298fd97524db58		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7952 10124 bytes
font_02_sfnt_off00009c28.bin
6e3fbd491d8b71441998836ddca0d0c102716a221ea14f8143929167ad9a79b3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9C28 16164 bytes
font_03_sfnt_off0000b179.bin
4a6de903472567f36eba1ffcaa61d36657bab963151f1184183277f89490031d		 pdf-font-stream PDF embedded font (sfnt) at offset 0xB179 6188 bytes

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