Malicious PDF — malware analysis report

Static analysis result for SHA-256 2b49a10f47b21cb6…

MALICIOUS

PDF

38.2 KB Authoring application: Inkscape
MD5: 956d5e5cbaba33c19ebd8a16f85523fa SHA-1: d98bbe10962ba17b1dff8deee70955030894c397 SHA-256: 2b49a10f47b21cb6a40288cc37dae4bdd5f23013b8c96e08ad534a01f3aac167
120 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded URLs pointing to other PDF files, a technique often used for SEO manipulation or to distribute malicious content. ClamAV detected this file as Pdf.Phishing.TtraffRobotInstall-7605656-0, indicating a phishing or traffic redirection purpose. The document body itself appears to be corrupted or contains irrelevant text, but the heuristic firings strongly suggest a malicious intent related to URL distribution.

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://lst-beton.ru/uploads/2020/01/27/4604962.pdf
    • http://mssierzega.weebly.com/uploads/1/3/0/2/130289344/burur.pdf
    • http://thelegacybandandshow.com/uploads/1/3/0/3/130313370/8609396.pdf
    • http://wemipiwapa.sed.expert/uploads/2020/01/29/7428291.pdf
    • http://npsvs.com/uploads/1/3/0/6/130639329/257367.pdf
    • http://vabe.partizansk-vc.ru/uploads/2020/01/27/8236774.pdf
    • http://pija.cafe-oldbaku.ru/uploads/2020/01/27/3225629.pdf
    • http://tup.stay-famous.com/uploads/2020/01/28/6032532.pdf
    • http://nebak.ginecologialeon.com/uploads/2020/01/27/8788592.pdf
    • http://rjgwoodworking.com/uploads/1/3/0/3/130313728/funine_letowafekin_menujutam.pdf
    • http://fedo.roda-climate.ru/uploads/2020/01/29/9048399.pdf
    • http://lozovo.trdata.xyz/uploads/2020/01/28/cb5b5e7ccf9d.pdf
    • http://my-rostelekom.info/uploads/2020/01/27/9294455.pdf
    • http://vastgoedstyling-decoathome.com/uploads/1/3/0/6/130604848/ad64b8b4.pdf
    • http://tuslawmustangsfootball.com/uploads/1/3/0/5/130542875/fd29713c0231.pdf
    • http://dafataz.instagram-help-secure.com/uploads/2020/01/29/3676909.pdf
    • http://modo.sportcarmoney.pw/uploads/2020/01/28/punuwasatumuli.pdf
    • http://dezandrob2018.com/uploads/1/3/0/6/130621219/7929190.pdf
    • https://jivawodumifus.weebly.com/uploads/1/3/0/5/130550693/xebozasotidol.pdf
    • http://eldermoonschool.net/uploads/1/3/0/2/130270980/nanulofosiju.pdf
    • http://sber-afla.info/uploads/2020/01/28/3481932.pdf
    • http://carlykade.com/uploads/1/3/0/4/130479210/fazunufepo.pdf
    • http://jimedalar.toptenanketa.ru/uploads/2020/01/27/rinerazijiratep_jibisuderitamox.pdf
    • http://digitalcandids.com/uploads/1/3/0/6/130604109/9654841.pdf
    • http://wobogasu.silane-guard16.ru/uploads/2020/01/29/ea5b5a84304a9.pdf
    • http://planeandsimple.ca/uploads/1/3/0/5/130550972/130550972.html#circle+of+life+sheet+music+free
    • http://fedo.roda-climate.ru/uploads/2020/01/29/9

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000175a.bin
9703983d0516e8c63f6d4cc0ba2c9202d0d05f0990e4a4bb082a631da0996b5a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x175A 8448 bytes

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