Malicious PDF — malware analysis report

Static analysis result for SHA-256 cbd29e9011cab3ba…

MALICIOUS

PDF

36.8 KB Authoring application: Solid Converter PDF
MD5: 9b0fd2f80b8e2d49e4ac90e395845233 SHA-1: 6945016bc6c7f4ce36b4a3217b7dc9c145293e5d SHA-256: cbd29e9011cab3ba2095c4050f43fb96d2c01fe14ae3dddbc628bc7f7596164b
150 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF was flagged by multiple heuristics, including ClamAV and an ML classifier, as malicious. The critical PDF_SEO_LINK_FARM heuristic indicates the document contains a large number of external links, with the primary domain being mergeperfect.com. The embedded URLs are likely used to distribute further malicious content or for SEO spamming purposes. No scripts were extracted from this sample.

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://mergeperfect.com/uploads/1/3/0/5/130551176/zixiwogevaxanudad.pdf
    • http://b2beautifulcopywriting.net/uploads/1/3/0/2/130288893/4076e737.pdf
    • http://jamesbaylee.com/uploads/1/3/0/6/130621456/aa8130a58c0bd27.pdf
    • http://brokerjana.com/uploads/1/3/0/7/130775200/6898557.pdf
    • http://fozzieoffical.com/uploads/1/3/0/3/130323709/2aca5825a9e1a0b.pdf
    • http://wakeforestfarmersmarket.org/uploads/1/3/0/6/130620776/3130903.pdf
    • http://mta-sts.csdesigns.com/uploads/1/3/0/6/130605075/f77d0dadc0af8c4.pdf
    • http://www.simonerichardsbooks.com/uploads/1/3/0/2/130274088/09a07e7f5c.pdf
    • http://escape2fun.com/uploads/1/3/0/5/130541356/difax.pdf
    • http://tohrurainer.com/uploads/1/3/0/2/130289495/wakoxeluwiduju_nagega_viwexosiv.pdf
    • http://itouchlocalmobile.com/uploads/1/3/0/6/130604710/retunopumituz.pdf
    • http://ovsmfashion.net/uploads/1/3/0/5/130550993/tuxurevewasewonoxida.pdf
    • http://treasurehuntergame.com/uploads/1/3/0/2/130270889/2078453.pdf
    • http://mx.dulcimerjim.com/uploads/1/3/0/8/130814169/968258.pdf
    • http://hostmaster.koalait.co.uk/uploads/1/3/0/7/130738822/d0ce8cf1149.pdf
    • http://philadelphiaprek.com/uploads/1/3/0/4/130435503/baxobejuwutesot.pdf
    • http://proceedbydesign.com/uploads/1/3/0/4/130488152/kaxateli_xifipojo_wetalusuta_dusimitijomoxab.pdf
    • http://myforgottenself.com/uploads/1/3/0/5/130539728/7348549.pdf
    • http://ninarayviola.com/uploads/1/3/0/6/130620773/riritomebotetu_puvuzonatixo_pobadajaxe.pdf
    • http://mx.kim-bella.com/uploads/1/3/0/4/130491181/c280d1.pdf
    • http://h0ck.net/uploads/1/3/0/5/130539798/fuzokanobemo.pdf
    • http://churchesinmilwaukee.com/uploads/1/3/0/5/130543264/dipuredenasepe.pdf
    • http://doodledesignsandrhymes.com/uploads/1/3/0/6/130620528/7191044.pdf
    • http://www.dantoned.com/uploads/1/3/0/8/130813991/130813991.html#waterfall+and+agile+testing+methodologies
    • http://mx.kim-bella.com/uploads/1/3/0/4/

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00002e3f.bin
4058f718632c93873873113a0150b17ad7dc99b150e08faa87187a58c5b08784		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2E3F 7468 bytes

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