Malicious PDF — malware analysis report

Static analysis result for SHA-256 af06aafd787be212…

MALICIOUS

PDF

59.1 KB Created: 2020-07-31 20:12:40 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 4767a9d5b168f8166055b14863d719df SHA-1: 7e1fae079b1977ec125fb44b854eca7a6ec9da67 SHA-256: af06aafd787be21231a2e1e710a25dcb64731934dcf49ab80a2ca766b965c744
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell T1204.002 Malicious Link

The PDF contains numerous embedded links, with a critical heuristic identifying a link to a known malicious redirector at 'https://ttraff.com/pify?keyword=agreesions+invade+nations+pdf'. This suggests the document's primary purpose is to redirect users to malicious infrastructure. The presence of a link farm heuristic further supports the malicious intent, indicating an attempt to manipulate search engine results or distribute content through numerous external links. No scripts were extracted from this sample.

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=agreesions+invade+nations+pdf
    • http://files.quiltsbyj.com/uploads/1/3/1/6/131636916/gapas_nimosakiwekejur_dabomafesam.pdf
    • http://files.myfutra.com/uploads/1/3/1/3/131384018/netax.pdf
    • http://files.aritonbaptist.org/uploads/1/3/1/4/131483069/tonalisonaxot_towejosulo_guwedozaxufeket.pdf
    • http://files.ghqg.org/uploads/1/3/2/6/132680808/vupikozizifego_segudoj_doretolir_sowesakexu.pdf
    • https://cdn.shopify.com/s/files/1/0434/3149/3784/files/90699349955.pdf
    • https://cdn.shopify.com/s/files/1/0431/6141/9927/files/gunobegewolisomebesadede.pdf
    • https://cdn.shopify.com/s/files/1/0431/1410/2950/files/63767293934.pdf
    • https://cdn.shopify.com/s/files/1/0432/2390/8520/files/digadetij.pdf
    • https://cdn.shopify.com/s/files/1/0432/5857/7046/files/20772599243.pdf
    • https://cdn.shopify.com/s/files/1/0434/1288/1564/files/lifupewak.pdf
    • https://cdn.shopify.com/s/files/1/0427/5847/1846/files/28082410878.pdf
    • https://cdn.shopify.com/s/files/1/0436/9544/0040/files/8043756533.pdf
    • https://cdn.shopify.com/s/files/1/0432/1817/4107/files/xerepiwapipel.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/zemeletitofugawekabol.pdf
    • https://cdn.shopify.com/s/files/1/0434/0659/0106/files/72657557856.pdf
    • https://cdn.shopify.com/s/files/1/0429/0697/6422/files/nightboit_set_up.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_off00009e10.bin
e0eb3d0732bdb68e75bf8ce5046928ea2b5cf1808e360a2ea27b85f7d1f31f0f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9E10 5228 bytes
font_01_sfnt_off0000aff2.bin
1f46dc392a263439b8d12824f7853c1dc01b2f523fa4b797ce1d92a60f8cb1fc		 pdf-font-stream PDF embedded font (sfnt) at offset 0xAFF2 14912 bytes

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