Malicious PDF — malware analysis report

Static analysis result for SHA-256 a564f180aae69c63…

MALICIOUS

PDF

45.6 KB Authoring application: Karbon
MD5: 324728bfc6aa4a792cbb48967c2e0c92 SHA-1: 106b04abbd8559e2f9922f221e732e9f2acee822 SHA-256: a564f180aae69c63228564e2c6bfbbda169367f36664559d2bde1378271dc5a3
150 Risk Score

Malware Insights

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

The PDF file was flagged by multiple heuristics, including ClamAV and a machine learning classifier, as malicious. The critical PDF_SEO_LINK_FARM heuristic indicates the presence of a large number of external PDF links, with the primary observed URL being http://ranujet.iddingwitsof.mobi/uploads/2020/01/28/vuvixukon-kanimavakumi-zazipiri-sefuvabis.pdf. This suggests the document's primary purpose is to act as a lure, redirecting users to potentially malicious content hosted on numerous domains.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

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://ranujet.iddingwitsof.mobi/uploads/2020/01/28/vuvixukon-kanimavakumi-zazipiri-sefuvabis.pdf
    • http://andreablackerby.com/uploads/1/3/0/6/130604045/fulezazizavesu.pdf
    • https://tunorumoge.weebly.com/uploads/1/3/0/4/130483909/fibomax.pdf
    • http://spencerhaggardindustrialdesign.com/uploads/1/3/0/2/130288720/tazobudodomogeruv.pdf
    • http://nicoleedwardslimited.com/uploads/1/3/0/4/130478760/kagegijawirabos-pekamolode-ledamesinivog-rogolulupezixa.pdf
    • http://lazylstudio.com/uploads/1/3/0/2/130289765/garisanerimedo_botemofalo_vezejenefesox_vizajenu.pdf
    • http://jun.finding-love.online/uploads/2020/01/29/ruvunevi.pdf
    • http://sisewe.instagame.biz/uploads/2020/01/28/2088381.pdf
    • http://wosoz.tele-zvon.ru/uploads/2020/01/28/96dedadc97.pdf
    • http://keldridge.com/uploads/1/3/0/2/130292098/lezirodusi.pdf
    • http://baz.fashionmoney.online/uploads/2020/01/28/d4d737f.pdf
    • http://relevantinnovations.global/uploads/1/3/0/3/130323547/6834230.pdf
    • http://misbailes.com/uploads/1/3/0/6/130639891/130639891.html#sports+tv+2.+0.+8+apk

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00001399.bin
23af53c5e875beaab3df77bdc0c560c8aa2dffa0851a8198624bb5ae997ca871		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1399 7912 bytes
font_01_sfnt_off000053c2.bin
ee737efe1ff7793f54631a61eda178506ac5e534475d7de4b281072c19a31296		 pdf-font-stream PDF embedded font (sfnt) at offset 0x53C2 10944 bytes
font_02_sfnt_off00006b6d.bin
c6c28444bcd94379862b6cc7f8cfcdbcdaeb026857ccdb099d87626a561054a6		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6B6D 16092 bytes

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