Malicious PDF — malware analysis report

Static analysis result for SHA-256 221ebf8ad6de0ed4…

MALICIOUS

PDF

37.3 KB Created: 2020-08-26 07:07:15 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 8954a233a64e09dbad66862cabc7e737 SHA-1: 153c5db95d6035214dbcecd1bcd8949d935e8146 SHA-256: 221ebf8ad6de0ed4b35a0968390a582af0e7d45edfd6629d8474f3c2f35ddb93
120 Risk Score

Malware Insights

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

The PDF file contains numerous embedded links, with a critical heuristic identifying a link to a known malicious redirector at 'https://ttraff.cc/pify?keyword=black+magic+woman+tab+pdf'. Another critical heuristic indicates a mass external PDF link farm, suggesting an SEO poisoning or phishing attempt to drive traffic to potentially malicious sites. The document body itself is heavily obfuscated and contains the same redirector URL and several shopify URLs, some of which are confirmed benign but others are unknown.

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.cc/pify?keyword=black+magic+woman+tab+pdf
    • http://pabeze.glassartenergy.org/uploads/1/3/2/6/132695492/bisewepite-simekitexiv-lijinojezidafud.pdf
    • http://files.urinalvinyl.com/uploads/1/3/1/8/131856624/poxipuvifasuv.pdf
    • https://cdn.shopify.com/s/files/1/0437/1972/1115/files/53572671358.pdf
    • https://cdn.shopify.com/s/files/1/0435/1187/3688/files/26850903507.pdf
    • https://cdn.shopify.com/s/files/1/0431/1960/7962/files/guxopimojusedinovo.pdf
    • https://cdn.shopify.com/s/files/1/0437/8332/3806/files/le_bourgeois_gentilhomme_acte_1.pdf
    • https://cdn.shopify.com/s/files/1/0434/2421/9293/files/58062426340.pdf
    • https://cdn.shopify.com/s/files/1/0431/4864/0418/files/21593908222.pdf
    • https://cdn.shopify.com/s/files/1/0435/6322/1155/files/91752237329.pdf
    • https://cdn.shopify.com/s/files/1/0429/2427/7923/files/98348515760.pdf
    • https://cdn.shopify.com/s/files/1/0432/5936/3488/files/wonidowobutasinorebedakux.pdf
    • https://cdn.shopify.com/s/files/1/0435/7400/1825/files/41363462100.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_off00004b5b.bin
85dfdcca992b00d77ffd1d0c1371658738bf693be03613598ef377ab3302ebb5		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4B5B 5544 bytes
font_01_sfnt_off00005e39.bin
7501badb95b702eb0e568f2f1502f950e27e8387ac0f346f1343f2a94aa20f3b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5E39 12884 bytes

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