Malicious PDF — malware analysis report

Static analysis result for SHA-256 bae7731f1ca82152…

MALICIOUS

PDF

49.2 KB Authoring application: Adobe PDF Library 9.0
MD5: 76d442dc360c6a6726f68400a06d4198 SHA-1: e714c9501c02681e493cb37daadf2ef5d19a9fed SHA-256: bae7731f1ca82152283710938a3ed17903cde0453494320f7ecca10f96f23d63
120 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded URLs, identified by the PDF_SEO_LINK_FARM heuristic. These URLs point to various PDF files hosted on different domains, suggesting a link farm or phishing campaign. The ClamAV detection as Pdf.Phishing.TtraffRobotInstall-7605656-0 further supports a phishing or malicious redirection intent. No scripts were extracted from this sample.

Heuristics 3

  • 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.
  • ClamAV: Pdf.Phishing.TtraffRobotInstall-7605656-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.TtraffRobotInstall-7605656-0
  • 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 http://saulmendozaphoto.com/uploads/1/3/0/5/130590741/ac6e68afb9f529.pdf
    • http://lifetime24.ru/uploads/2020/01/28/d2e1531cb1f.pdf
    • http://a113n.net/uploads/1/3/0/7/130740164/novenowud.pdf
    • http://radiantrebelcollective.com/uploads/1/3/0/3/130313555/2515998.pdf
    • http://oliveraconst.com/uploads/1/3/0/2/130273804/a45906af3e7a.pdf
    • http://enbit.com.au/uploads/1/3/0/6/130621597/558e8bfff.pdf
    • https://witoxovi.weebly.com/uploads/1/3/0/3/130379371/8035162.pdf
    • http://chrisennisrealtor.com/uploads/1/3/0/2/130289503/jelot_katapowasitub_zatekuxurofu_fewidopojo.pdf
    • http://thesingbabysingshow.com/uploads/1/3/0/5/130590177/ea277d777aba6ee.pdf
    • http://rezourceguy.com/uploads/1/3/0/4/130435846/b11ffe500551.pdf
    • http://trailerrepairrichmond.com/uploads/1/3/0/2/130272506/waloturun.pdf
    • http://bartolomeilaw.com/uploads/1/3/0/7/130776212/130776212.html#adobe+pro+dc+online

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00001354.bin
5e5fe65ce2244e3c769a71527afe3113b59a511c227265217b97212414885da8		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1354 9860 bytes
font_01_sfnt_off000063db.bin
fd22af53f2844f775e2788e663f76d51cbd1f673c8a6c692d2e507cbfd993ddd		 pdf-font-stream PDF embedded font (sfnt) at offset 0x63DB 6544 bytes
font_02_sfnt_off00007860.bin
d8fa1d180e0a505d0c2b16a5f695b88c8b58e4db502161fc5572c07a7daa196e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7860 16488 bytes

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