Malicious PDF — malware analysis report

Static analysis result for SHA-256 a162f5eafece90c0…

MALICIOUS

PDF

49.6 KB Created: 2020-08-10 00:00:33 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 6cb5ecdc0a92b6a50325b96563a6f97f SHA-1: 0e1b47f06082a5a4b42b274a8ae9df9bce9a96b4 SHA-256: a162f5eafece90c0ba22518605a7ad6931635234800232f97c3c72c7265c5ae8
120 Risk Score

Malware Insights

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

The PDF contains embedded links that point to a known malicious redirector, ttraff.cc, which is likely used to obscure the final destination. The document body, though heavily obfuscated, contains text related to a 'CG police si notification 2020 pdf', suggesting a lure to trick users into clicking the malicious link. The presence of a mass external PDF link farm further indicates a malicious intent to distribute malicious content.

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=cg+police+si+notification+2020+pdf
    • http://files.glospeycomputers.com/uploads/1/3/0/7/130739169/zixegoribuv_tulaxisoxavef_zolonu_vekuxerad.pdf
    • http://widewa.courtroomlawnc.com/uploads/1/3/0/7/130776728/movivuwomiroxe_sotazi_sudemojo.pdf
    • http://files.ksobha.com/uploads/1/3/0/9/130969811/repuluzozexa-lixodetixufegef-zajilibepa.pdf
    • https://cdn.shopify.com/s/files/1/0430/7304/4647/files/xizibozijut.pdf
    • https://cdn.shopify.com/s/files/1/0433/5419/4085/files/86473442675.pdf
    • https://cdn.shopify.com/s/files/1/0427/9477/8791/files/kufugadaxanar.pdf
    • https://cdn.shopify.com/s/files/1/0432/5372/7387/files/apj_abdul_kalam_speech_on_education.pdf
    • https://cdn.shopify.com/s/files/1/0432/0083/9842/files/lidat.pdf
    • https://cdn.shopify.com/s/files/1/0429/8555/4073/files/64826019571.pdf
    • https://cdn.shopify.com/s/files/1/0435/5329/2440/files/golden_sun_dark_dawn_djinni.pdf
    • https://cdn.shopify.com/s/files/1/0440/0722/7542/files/access_iif_function.pdf
    • https://cdn.shopify.com/s/files/1/0433/0923/6374/files/soteferododifotulilax.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000632e.bin
c313b3510291c223a978afef9b2e3dd3446b32b86eed3396a827c1bbc979b9a1		 pdf-font-stream PDF embedded font (sfnt) at offset 0x632E 5404 bytes
font_01_sfnt_off000075ae.bin
7e690c87e0711ea278fc2c78266659f71026155a197f920bbeab67a67d1d0bd4		 pdf-font-stream PDF embedded font (sfnt) at offset 0x75AE 15184 bytes
font_02_sfnt_off0000a4ac.bin
ea75db71c9df7250347a03039f742fcd189f5fc3f08964e696816fa8b5227073		 pdf-font-stream PDF embedded font (sfnt) at offset 0xA4AC 16092 bytes

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