Malicious PDF — malware analysis report

Static analysis result for SHA-256 cd1c1325c27495b6…

MALICIOUS

PDF

48.2 KB Created: 2020-09-03 12:59:52 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: ac804e50f9851382b0bff5bcd9809c40 SHA-1: 7587a7a9fc7cecf82f8c6ef930786fe5385a5a84 SHA-256: cd1c1325c27495b6e3e9fcdc3857ac81b9bc4cba178b3dc4d8f38eb62d232ea6
150 Risk Score

Malware Insights

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

The PDF file contains a significant number of embedded links, with one pointing to a known malicious redirector. The document body, though heavily obfuscated, contains text related to 'Leveling guide ffxiv 60- 70' and the malicious URL. The presence of numerous external links, including one to a redirector, strongly suggests a phishing or malware distribution attempt.

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=leveling+guide+ffxiv+60-+70
    • https://cdn.shopify.com/s/files/1/0434/7396/1125/files/afrikaner_nationalism_essays.pdf
    • https://cdn.shopify.com/s/files/1/0431/5296/5792/files/mudelo.pdf
    • https://cdn.shopify.com/s/files/1/0428/4389/8019/files/vshare_apk_2018.pdf
    • https://cdn.shopify.com/s/files/1/0430/7664/9121/files/kujowizemepujagurid.pdf
    • https://static.usrfiles.com/ugd/7ff653_dea4270e5abc4e9f8a1621b207d2b278.pdf
    • https://static.usrfiles.com/ugd/b50c55_187efc35d61b4cc5a5e0385b4b7ee5eb.pdf
    • https://static.usrfiles.com/ugd/dcf9ad_ff92afcd1a65472e881958dafb2bd32e.pdf
    • https://static.usrfiles.com/ugd/7ea8bb_8ca837e249e74252ad7418fe641c5d69.pdf
    • https://cdn.shopify.com/s/files/1/0432/9881/6150/files/sijeborixesikijexaje.pdf
    • https://cdn.shopify.com/s/files/1/0432/8806/8254/files/mijeluxo.pdf
    • https://cdn.shopify.com/s/files/1/0433/9564/5589/files/12751249280.pdf
    • https://cdn.shopify.com/s/files/1/0429/2725/9811/files/xorulutewuxunekejax.pdf
    • https://cdn.shopify.com/s/files/1/0432/4474/8950/files/gubimalewejagof.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/medade.pdf
    • https://cdn.shopify.com/s/files/1/0437/6189/3533/files/12094410054.pdf
    • https://cdn.shopify.com/s/files/1/0439/9667/6254/files/zezedusipiwafaporiro.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_off00007f2b.bin
647eab76ce8aa74f58dae734bc4ec89542cd347cfebacfbb47389eb63051df2e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7F2B 5068 bytes
font_01_sfnt_off000090a8.bin
d2cff70dbd27b1193875b30bfd6ef7ebb3cebfbdb2a13ec8e8adea9b8231fe90		 pdf-font-stream PDF embedded font (sfnt) at offset 0x90A8 10420 bytes

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