Malicious PDF — malware analysis report

Static analysis result for SHA-256 450c0ca65c1527a1…

MALICIOUS

PDF

42.1 KB Authoring application: pstoedit
MD5: 4ba738163403040f3d3fd0c4142491bb SHA-1: 37eaaae58197b9d8611d4880204b80904baec5cb SHA-256: 450c0ca65c1527a13982d0fb7c2a8ecd390e46f39550b58aa015d53b4bf19f24
120 Risk Score

Malware Insights

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

The PDF contains a large number of external links, identified by the PDF_SEO_LINK_FARM heuristic, suggesting a phishing or SEO spam campaign. The ClamAV detection as Pdf.Phishing.TtraffRobotInstall further supports a malicious intent. No scripts were extracted, and the document body was unreadable, but the link farm is a strong indicator of malicious activity.

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://www.gcpremajor.org/uploads/1/3/0/8/130874030/2491590.pdf
    • http://werkthatbooth.com/uploads/1/3/0/3/130379928/sowololuxo-wadelotisukozoz-nuguxekok-xoginumadapu.pdf
    • http://scout-troop76.com/uploads/1/3/0/6/130620857/dudukipupo_pevovorexo_bunugonexo_rigeg.pdf
    • http://bydanay.com/uploads/1/3/0/6/130639929/vavop-nofexovu-wezamezuduvofo.pdf
    • http://mta-sts.mail.hoosiertrappersupply.com/uploads/1/3/0/8/130874143/8bd32e.pdf
    • http://speedairecompressorparts.com/uploads/1/3/0/4/130489052/kolusufexadu.pdf
    • http://newlifeeastla.com/uploads/1/3/0/5/130550729/vasotiti_nalovij_woribizafenesuj.pdf
    • http://amitkhare.com/uploads/1/3/0/7/130776175/1986803.pdf
    • http://witchattheedgeofthewoods.com/uploads/1/3/0/2/130271108/3420795.pdf
    • http://booksandplant.com/uploads/1/3/0/6/130604771/ece875f1183a197.pdf
    • http://metropolitaneprep.com/uploads/1/3/0/7/130775245/6520190.pdf
    • http://recruiting2care.com/uploads/1/3/0/7/130740186/gidado.pdf
    • http://webmail.speech4kidz.com/uploads/1/3/0/7/130775294/e6d6d4b82.pdf
    • http://theknittingroom.co.uk/uploads/1/3/0/7/130739185/e1501dcd500f81.pdf
    • http://myphonebooth.com/uploads/1/3/0/5/130588650/bomemewoxo.pdf
    • http://bubbleandmimiltd.com/uploads/1/3/0/7/130776523/7509941.pdf
    • http://barryboycephotos.com/uploads/1/3/0/6/130620746/xelodam-podowixakaruzo.pdf
    • http://ellipseatlantic.com/uploads/1/3/0/8/130874018/wanolek.pdf
    • http://mitamasushi.com/uploads/1/3/0/3/130323900/b875cdf7afaa.pdf
    • http://anuep.com/uploads/1/3/0/8/130813798/xadiraf_zejumuvuraw.pdf
    • http://gianinaeventstyling.com/uploads/1/3/0/8/130874049/mawofowoninazelipaw.pdf
    • http://now-colander.com/uploads/1/3/0/2/130289172/gafabiwavi.pdf
    • http://bambinimontessori.org/uploads/1/3/0/5/130540493/7646228.pdf
    • http://nwraincreations.com/uploads/1/3/0/5/130589269/5381394.pdf
    • http://xnf6v6.bdgct.com/uploads/1/3/0/5/130543059/130543059.html#diazepam+alcohol+withdrawal
    • http://metropolitaneprep.com/uploads/1/3/0/7/1

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00004200.bin
6d7fd25c5484da3ce5f6a823079ff51d8f6185faf5494c5ead55a7c6839bad0c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4200 7668 bytes

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