Malicious PDF — malware analysis report

Static analysis result for SHA-256 72715e1dbf4658cc…

MALICIOUS

PDF

38.9 KB Authoring application: Inkscape First seen: 2020-09-24
MD5: 28457156a8361206b745cab5609e3c51 SHA-1: f1c71bc743f431289996316d36a89c3c5b24476e SHA-256: 72715e1dbf4658ccf0ef7e8da6df99eb88271c1fd5fdf16deea4cf8ac828a867
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1105 Ingress Tool Transfer

The PDF contains a large number of embedded external links, identified by the PDF_SEO_LINK_FARM heuristic. ClamAV also detected this as Pdf.Phishing.TtraffRobotInstall-7605656-0, indicating a phishing or malicious content distribution intent. The document body is heavily obfuscated and unreadable, providing no direct clues to its purpose beyond the link farm.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 3

  • ClamAV: Pdf.Phishing.TtraffRobotInstall-7605656-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.TtraffRobotInstall-7605656-0
  • 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.
  • 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://aaainsureus.com/uploads/1/3/0/7/130776850/1218333.pdf In PDF document text
    • http://protectivearmour.com/uploads/1/3/0/3/130379098/b95fdc59ae.pdfIn PDF document text
    • http://bartsbullets.com/uploads/1/3/0/5/130550951/zuxejevoko.pdfIn PDF document text
    • http://drquy.com/uploads/1/3/0/5/130539215/7827fbee1.pdfIn PDF document text
    • http://seasoil.net/uploads/1/3/0/2/130289198/kurapo_mutofosuka.pdfIn PDF document text
    • http://creativetrekkie.com/uploads/1/3/0/7/130776808/6803426.pdfIn PDF document text
    • http://skulldiver.com/uploads/1/3/0/7/130775034/569941.pdfIn PDF document text
    • http://ancientsages.com/uploads/1/3/0/2/130274370/losefisos.pdfIn PDF document text
    • http://azaharaong.com/uploads/1/3/0/7/130776720/sixalajafiwo.pdfIn PDF document text
    • http://buildersblitzcapecod.org/uploads/1/3/0/4/130483325/a866daaa97a774e.pdfIn PDF document text
    • http://bestelectricmountainbike.com/uploads/1/3/0/2/130289510/7476307.pdfIn PDF document text
    • http://lackfocus.net/uploads/1/3/0/5/130589058/62fa09.pdfIn PDF document text
    • http://sandrawimbish.org/uploads/1/3/0/7/130739615/fobaboloj.pdfIn PDF document text
    • http://purpleshirts.net/uploads/1/3/0/7/130738848/6c3a41a45d1d3.pdfIn PDF document text
    • http://differenceengineltd.com/uploads/1/3/0/5/130550660/3900881.pdfIn PDF document text
    • http://kayla2016.com/uploads/1/3/0/2/130272994/vezewose.pdfIn PDF document text
    • http://millennialrealtysolutions.com/uploads/1/3/0/5/130540789/1224357.pdfIn PDF document text
    • http://implicitknowledge.com/uploads/1/3/0/5/130540214/3925214.pdfIn PDF document text
    • http://ucdemr.com/uploads/1/3/0/7/130739011/15974d295.pdfIn PDF document text
    • http://atombeauty.com/uploads/1/3/0/6/130604657/6161648.pdfIn PDF document text
    • http://mountaingatewaytraining.org/uploads/1/3/0/7/130740169/600ada261360f.pdfIn PDF document text
    • http://xtwdn6.brdge.org/uploads/1/3/0/6/130620473/130620473.html#atelectasis+pleural+effusionIn PDF document text

Related samples 2

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000397a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x397A 7464 bytes
SHA-256: 7bc88802999e0b9b034c3711f2d23bebbc361df575454b894d406c3c9c59cca2

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