Malicious PDF — malware analysis report

Static analysis result for SHA-256 cd730dbe28b420ea…

MALICIOUS

PDF

63.2 KB Created: 2020-08-15 12:43:31 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 60b954c47c0e49f965c4346a40603976 SHA-1: 1114972bb75e89f0c84dbe7dd446011a1d1af36a SHA-256: cd730dbe28b420ea292d46b7f272451c4578db6e025d968a2a2b854e5c2d7660
120 Risk Score

Malware Insights

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

The PDF file contains a link to a known malicious redirector, ttraff.cc, which is designed to lure users to malicious content. The document body, though heavily obfuscated, contains the same URL and appears to be a lure related to a fishing report. The presence of a link farm further indicates malicious intent to distribute links to potentially harmful 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=arizona+game+and+fish+weekly+fishing+report
    • http://files.kseniyabakhtincounseling.com/uploads/1/3/0/7/130739081/dumelifotapo-fevawadibosar-madasamozen.pdf
    • http://jepudede.miwabookery.org/uploads/1/3/0/8/130814328/2322709.pdf
    • https://cdn.shopify.com/s/files/1/0430/7006/2753/files/newujifodabexutur.pdf
    • https://cdn.shopify.com/s/files/1/0435/4349/4815/files/15301287630.pdf
    • https://cdn.shopify.com/s/files/1/0437/8945/1416/files/vingcard_2800_manual.pdf
    • https://cdn.shopify.com/s/files/1/0431/8307/9592/files/gexukaluruxenilu.pdf
    • https://cdn.shopify.com/s/files/1/0434/3644/1767/files/wuwolironodozivoxupawosut.pdf
    • https://cdn.shopify.com/s/files/1/0427/9920/2467/files/99805883562.pdf
    • https://cdn.shopify.com/s/files/1/0432/7335/5424/files/zonodenufikobu.pdf
    • https://cdn.shopify.com/s/files/1/0431/4356/1376/files/zometekib.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/
    • https://cdn.shopify.com/s/files/1/0431/8307/9592/files/gexukaluruxe

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000aa7c.bin
50c6ecc0a88576d074dff71b493f0d3ca24a013c42c118abdbf7dff55ea9895c		 pdf-font-stream PDF embedded font (sfnt) at offset 0xAA7C 5540 bytes
font_01_sfnt_off0000bd3f.bin
d6878f102c65aad29a4536e756dc426e80eba110c1988db0f479e388c5a48086		 pdf-font-stream PDF embedded font (sfnt) at offset 0xBD3F 10712 bytes
font_02_sfnt_off0000e1ac.bin
1158d95dac44631f497756703988ba3645251422e7ff0015d3fca430225e7c3e		 pdf-font-stream PDF embedded font (sfnt) at offset 0xE1AC 4324 bytes

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