Malicious PDF — malware analysis report

Static analysis result for SHA-256 63a5db9b70183554…

MALICIOUS

PDF

29.9 KB Authoring application: SWFTools
MD5: 70b4b82ee2464054ec0fd463f73aff9e SHA-1: 818db0fdb9b01d5dcc5e281e5cce0898e2db4a21 SHA-256: 63a5db9b701835545f81bd0549738b0723cbffd07e48d053098128d41f80a66c
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF file was flagged by multiple detection engines, including ClamAV as 'Pdf.Phishing.TtraffRobotInstall-7605656-0' and an ML classifier with high confidence. The primary malicious characteristic is the presence of a large number of embedded URLs, suggesting a link farm designed to redirect users to potentially malicious content. No scripts were extracted, but the structure and URL distribution are indicative of a phishing or malware distribution lure.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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://themarylandweddingmarketplace.net/uploads/1/3/0/2/130289214/4354827.pdf
    • http://74-123-78-86.mgwnet.com/uploads/1/3/0/5/130589031/fijobutepefan.pdf
    • http://mail.pariahmma.com/uploads/1/3/0/5/130589251/d450e092051614f.pdf
    • http://radioteleunite.com/uploads/1/3/0/4/130477228/323584.pdf
    • http://operationcleanoutia.com/uploads/1/3/0/4/130489019/5cbf019dc87f09.pdf
    • http://donovanhendrick.com/uploads/1/3/0/5/130588675/xirudoteji.pdf
    • http://skillerone.com/uploads/1/3/0/2/130270833/xuderera-kajobamamozikif.pdf
    • http://jeannemstevens.com/uploads/1/3/0/8/130874065/mifaravika.pdf
    • http://merril.biz/uploads/1/3/0/2/130288394/5fe86ea76aa33c.pdf
    • http://doverashop.com/uploads/1/3/0/4/130483230/70253.pdf
    • http://www.thomascreekbrewery.com/uploads/1/3/0/7/130739301/6520937.pdf
    • http://pjbarkerlaw.com/uploads/1/3/0/7/130776070/1076375.pdf
    • http://themegahotspot.com/uploads/1/3/0/8/130814328/nidigudugiwa.pdf
    • http://nataliezinawalschots.com/uploads/1/3/0/6/130604370/raleridu-kamunazekub.pdf
    • http://inventory.cheapiestires.com/uploads/1/3/0/4/130435813/9798582.pdf
    • http://killerwailslive.com/uploads/1/3/0/6/130604213/lavidavalag.pdf
    • http://cherishedrubies.com/uploads/1/3/0/2/130273962/neduvafutewowavepi.pdf
    • http://lycranetwork.com/uploads/1/3/0/2/130272233/86dc9b44.pdf
    • http://xintaiyangchengshoucunyouhui.br3h.com/uploads/1/3/0/2/130289336/130289336.html#ain%27t+no+sunshine+when+she%27s+gone+chords+guitar

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00001ab3.bin
1f70a4789cd6c70c989f52f126eaf5eb3d250641f6630ed0a435aefa5508f27d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1AB3 6408 bytes

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