Malicious PDF — malware analysis report

Static analysis result for SHA-256 ee200d9eb6dbe056…

MALICIOUS

PDF

52.9 KB Created: 2020-08-12 02:43:16 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: c72a98ad131f78537b069af9624023c9 SHA-1: 6ea49f5d9168b1216ae64280b0903d2b6a26ce80 SHA-256: ee200d9eb6dbe0563ee833cf384d5702abdba900c8000d8a11de9a151099fb87
128 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a critical heuristic firing for a malicious redirector link, pointing to 'https://ttraff.ru/pify?keyword=learn+azerbaijani+language+pdf'. Additionally, it exhibits characteristics of a PDF link farm, with numerous external links, many hosted on cdn.shopify.com. The document body, though heavily obfuscated, also contains the malicious redirector URL and several other PDF links, suggesting a social engineering attempt to drive traffic to malicious infrastructure. No scripts were extracted from this sample.

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.ru/pify?keyword=learn+azerbaijani+language+pdf
    • http://files.makatiprimeproperties.com/uploads/1/3/0/7/130740242/vefonisuxu.pdf
    • http://files.hartfordfederated.org/uploads/1/3/0/8/130874058/1889149.pdf
    • http://safaf.walkinginportland.com/uploads/1/3/0/8/130874493/aeb29.pdf
    • http://files.litdis.com/uploads/1/3/1/3/131397955/bdbec0a33.pdf
    • https://cdn.shopify.com/s/files/1/0437/6340/0861/files/57901813643.pdf
    • https://cdn.shopify.com/s/files/1/0432/4157/0466/files/82237773683.pdf
    • https://cdn.shopify.com/s/files/1/0429/6825/2565/files/44696476450.pdf
    • https://cdn.shopify.com/s/files/1/0435/4503/4911/files/telecharger_journal_el_watan_algerie.pdf
    • https://cdn.shopify.com/s/files/1/0436/5965/7374/files/pafoponimexog.pdf
    • https://cdn.shopify.com/s/files/1/0430/7556/7770/files/sujixagefikazo.pdf
    • https://cdn.shopify.com/s/files/1/0428/0814/8127/files/24207944431.pdf
    • https://cdn.shopify.com/s/files/1/0428/5464/5916/files/somefumon.pdf
    • https://cdn.shopify.com/s/files/1/0432/1368/4891/files/aditya_hrudayam_lyrics_english.pdf
    • https://cdn.shopify.com/s/files/1/0434/0593/4757/files/human_schistosomiasis.pdf
    • https://cdn.shopify.com/s/files/1/0429/8126/1466/files/zivajepog.pdf
    • https://cdn.shopify.com/s/files/1/0428/2161/5775/files/dasupadapaxebex.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_off0000696f.bin
07670dc338eab1a7daa599fdde62eff9e543e9bc1dd1bb3cae3f343c5ff653d3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x696F 5240 bytes
font_01_sfnt_off00007b4f.bin
6a0e550766a180d0f0f2b7d0cae4eed948e939e1bd6b31472fa28e991e8563b2		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7B4F 3056 bytes
font_02_sfnt_off00008821.bin
95a5c0b5d82a778f4e5553d5e250b0434fe3274913482aaf0cac1d0ebb419ac6		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8821 11032 bytes
font_03_sfnt_off0000adb7.bin
ddf55cc797371999d91d1383061e0d0af6ac10714ec5820100fec52838caa5d4		 pdf-font-stream PDF embedded font (sfnt) at offset 0xADB7 17148 bytes

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