Malicious PDF — malware analysis report

Static analysis result for SHA-256 bf297c9fcbfbdbe6…

MALICIOUS

PDF

44.6 KB Authoring application: OpenOffice.org First seen: 2020-09-24
MD5: 0b9e5196b1dbe8db1aa4ad63f58d1bcd SHA-1: ddec230d66e8b72e7971f3fc425f163cb5f0458b SHA-256: bf297c9fcbfbdbe674e00d6b168e9f233e17b88879d105b99e0d4feb814df42c
152 Risk Score

Malware Insights

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

The PDF contains a large number of embedded links to external PDF files hosted on various domains, indicating a link farm or distribution mechanism. The ClamAV detection and ML classifier strongly suggest malicious intent, likely related to phishing or malware distribution. No scripts were extracted, and the document body content is heavily corrupted and unreadable, preventing a more specific analysis of the lure.

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://ooredooalgeria.com/uploads/1/3/0/3/130379445/3829332.pdf In PDF document text
    • http://sierratreks.net/uploads/1/3/0/6/130640141/334453.pdfIn PDF document text
    • http://wild-n-whimsy.shop/uploads/1/3/0/6/130604026/8158153.pdfIn PDF document text
    • http://mercaditosustentable.com/uploads/1/3/0/2/130272381/potupu-tegel.pdfIn PDF document text
    • http://smarmbox.com/uploads/1/3/0/3/130324340/1072416.pdfIn PDF document text
    • http://mujberchtesgaden.com/uploads/1/3/0/7/130740089/lirenav_bufofu.pdfIn PDF document text
    • http://webmail.dance4joy.info/uploads/1/3/0/7/130740349/f6ba108b9d927a.pdfIn PDF document text
    • http://qecs.us/uploads/1/3/0/7/130740338/b06f786331510a.pdfIn PDF document text
    • http://ltasolutionsltd.net/uploads/1/3/0/4/130483191/4385392.pdfIn PDF document text
    • http://sugamheatingcooling.net/uploads/1/3/0/6/130604405/5626096.pdfIn PDF document text
    • http://gardensoft.space/uploads/1/3/0/4/130483273/61578f1db3e90a.pdfIn PDF document text
    • http://classiestcritter.com/uploads/1/3/0/2/130289332/f4522fc54c.pdfIn PDF document text
    • http://mypsychologist.ca/uploads/1/3/0/5/130588880/sakazirujafumotagu.pdfIn PDF document text
    • http://stemgolf.com/uploads/1/3/0/6/130605164/37760a1.pdfIn PDF document text
    • http://maidenmisfits.com/uploads/1/3/0/5/130541065/sulemubolasakeg.pdfIn PDF document text
    • http://tcsoutheastbaseball.com/uploads/1/3/0/2/130289096/1506353.pdfIn PDF document text
    • http://a-watkinanson.mamahope.org/uploads/1/3/0/7/130740169/joxetujama_banavanejur_didedubagi_duganakodonalaw.pdfIn PDF document text
    • http://a1412531xstreamtravel.xsideas.com/uploads/1/3/0/8/130874524/130874524.html#hiatal+hernia+with+gerd+and+esophagitisIn PDF document text
    • http://kheinrich.people.ua.edu/uploads/1/3/0/6/130604638/xeboruboreb.pdfIn PDF document text

Related samples 4

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_off00005071.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5071 8276 bytes
SHA-256: 887901e768d5fbdf9e5411b003e15956e49898c144e347306da0ad6ff76b0650

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