Malicious PDF — malware analysis report

Static analysis result for SHA-256 1e49fe871498a8a7…

MALICIOUS

PDF

64.2 KB Created: 2020-08-29 03:05:00 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: b0ec56fe45a9ea233cd65ce9c2682f5a SHA-1: 4e62a89312035dbc7e996b1f058734d9184fd42c SHA-256: 1e49fe871498a8a76c617c5133ebdeff08079bd82c28425943a4f9d8ac4b3eb1
150 Risk Score

Malware Insights

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

The PDF document contains a lure related to 'Simgirls date guide' and embeds a significant number of links, many of which point to external PDFs hosted on Shopify. One of these links, https://ttraff.cc/wix?keyword=simgirls+date+guide, is identified as a malicious redirector. The presence of numerous links and the malicious redirector suggests a phishing or social engineering attempt to direct users to malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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/wix?keyword=simgirls+date+guide
    • https://cdn.shopify.com/s/files/1/0431/0227/3697/files/wawiwovezufanejusafe.pdf
    • https://cdn.shopify.com/s/files/1/0439/1125/0075/files/shabazz_palaces_quazarz_zip.pdf
    • https://cdn.shopify.com/s/files/1/0434/8674/0646/files/south_carolina_road_map.pdf
    • https://cdn.shopify.com/s/files/1/0437/6697/2577/files/hearthfire_extended_sse.pdf
    • https://cdn.shopify.com/s/files/1/0430/0649/2823/files/92515936854.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/xigorekotat.pdf
    • https://static.usrfiles.com/ugd/b8c837_5821d415909b4f61ab7b9cee2c2f7bcd.pdf
    • https://static.usrfiles.com/ugd/b8c837_82215c7f92a84d68842c521fdb60dc0b.pdf
    • https://static.usrfiles.com/ugd/b8c837_a94aac3c002b4c86a93f56b0528afafd.pdf
    • https://static.usrfiles.com/ugd/b8c837_a7c462d476e04256a53a9cc320975875.pdf
    • https://static.usrfiles.com/ugd/b8c837_080d75403d4c4c2cac09443b0a8bb7e2.pdf
    • https://cdn.shopify.com/s/files/1/0428/5943/0054/files/12463157706.pdf
    • https://cdn.shopify.com/s/files/1/0433/4216/8218/files/approximation_for_bank_exam.pdf
    • https://cdn.shopify.com/s/files/1/0430/4489/6925/files/kurtlar_vadisi_eski_blmleri_izle_5.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_off0000bd5e.bin
8933b7713719e57511d00a13812891dae28a5e1267b523e0110b8cb4aa169566		 pdf-font-stream PDF embedded font (sfnt) at offset 0xBD5E 5248 bytes
font_01_sfnt_off0000cf0f.bin
fae492ccbf5d569eb5450c9b32357e382c7bffd24ef64856cd707116e5171390		 pdf-font-stream PDF embedded font (sfnt) at offset 0xCF0F 10892 bytes

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