Malicious PDF — malware analysis report

Static analysis result for SHA-256 ecf382e31ac050a6…

MALICIOUS

PDF

43.0 KB Authoring application: Adobe PDF Library 9.0
MD5: 49168aaff27a906d4416a9c36f1c7342 SHA-1: e556ec05b4444de155444815b0946c827164699b SHA-256: ecf382e31ac050a6819274e4ab29717eca54d87946f5fc2d7e8f693582d640a5
120 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded external links, as indicated by the PDF_SEO_LINK_FARM heuristic. The ClamAV detection as Pdf.Phishing.TtraffRobotInstall-7605656-0 further supports its malicious nature. The embedded URLs are likely used to distribute phishing content or for SEO spamming purposes. 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://dlaczego.jezus.pl/uploads/1/3/0/5/130589158/jatowuzozuwakofu.pdf
    • http://nataliekasdan.com/uploads/1/3/0/4/130483757/xugilekusosefiv.pdf
    • http://ministeringwithmegan.com/uploads/1/3/0/6/130621335/kulefidigubenevowuvo.pdf
    • http://www.vidyapandarathil.com/uploads/1/3/0/6/130639242/wumitoko.pdf
    • http://monederocalorico.com/uploads/1/3/0/3/130379415/nuzita-seloresino-toxuluxepikiz-xabofo.pdf
    • http://splashevents.co.za/uploads/1/3/0/5/130590363/zimivimafaf-forefikumiwaxor.pdf
    • http://brazilcalling.net/uploads/1/3/0/4/130491322/2c4faa412549.pdf
    • http://nicollefletcher.com/uploads/1/3/0/8/130814397/9b9a4494b8a.pdf
    • http://enteringstillness.com/uploads/1/3/0/3/130323172/2fbb0.pdf
    • http://imnotsoanonymous.com/uploads/1/3/0/8/130874233/253914.pdf
    • http://www.jacksmountainbiking.com/uploads/1/3/0/5/130544191/27efc247a35e.pdf
    • http://www.thermiawp.com/uploads/1/3/0/8/130813953/baa66.pdf
    • http://paulsonforjudge.com/uploads/1/3/0/5/130541656/pezemusuxuvu_povovazetaze.pdf
    • http://mta-sts.mail.thecbhsa.org/uploads/1/3/0/5/130588443/6389295.pdf
    • http://morishjems.com/uploads/1/3/0/5/130589146/123f457.pdf
    • http://usermarketing101.com/uploads/1/3/0/4/130494478/fuduz_laresutopoge_gituru_lolozi.pdf
    • http://koisyracusellc.com/uploads/1/3/0/7/130739783/3622127.pdf
    • http://nancytoofani.com/uploads/1/3/0/4/130478314/tezanaputibunizos.pdf
    • http://nupelicanparty.org/uploads/1/3/0/2/130291689/130291689.html#adobe+premiere+pro+text+effects+download+free
    • http://www.thermiawp.com/uploads/1/3/0/8/1308139

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00004ae1.bin
d8bb6cfb9e9e7883b2a5a582b8b58ea71b1e356c7606ef7a7deaabc07cd61a30		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4AE1 7924 bytes

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