Malicious PDF — malware analysis report

Static analysis result for SHA-256 f00fe9681db076c7…

MALICIOUS

PDF

40.3 KB Authoring application: QPDF
MD5: 821b5c758dbcf0f6a80731baf9f7d50e SHA-1: 78777d73c44bd24036e9d1069209908c109855b9 SHA-256: f00fe9681db076c7f4b90b27a45ecbe6ae47bf5f8d2591c8c5ccf4aa3a81da0e
120 Risk Score

Malware Insights

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

The PDF file exhibits a critical heuristic firing for a link farm, containing numerous embedded URLs pointing to external PDF documents. This technique is commonly used in phishing campaigns to direct users to malicious sites. The ClamAV detection as 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports the phishing and traffic redirection intent. No scripts were extracted from this sample.

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://boldnfearless.com/uploads/1/3/0/4/130493816/934974.pdf
    • http://captainlogline.com/uploads/1/3/0/6/130639023/xujid_ludodani.pdf
    • http://skeletonsoutofthecloset.com/uploads/1/3/0/4/130488983/lakuj-vufemi-gawulo-bugoxafipafo.pdf
    • http://menusie.com/uploads/1/3/0/7/130739404/95160.pdf
    • http://www.thegrayorder.com/uploads/1/3/0/5/130541023/geritimafuxeguwukup.pdf
    • http://lovelifeagain-lifecoachingmore.com/uploads/1/3/0/5/130543667/729b05d09.pdf
    • http://kerrylindner.net/uploads/1/3/0/6/130604333/83f395d.pdf
    • http://covedemond.org/uploads/1/3/0/5/130543985/49ad5d895.pdf
    • http://ktoml.com/uploads/1/3/0/6/130639439/913942.pdf
    • http://alexbouw.org/uploads/1/3/0/6/130605280/werikopo_kozegoxebuma_pamorew_sifamaxozaxuru.pdf
    • http://www.tinytreasurespreschoolinfo.org/uploads/1/3/0/2/130291874/52586f9.pdf
    • http://ceramicproarizona.com/uploads/1/3/0/5/130590663/15278091a7.pdf
    • http://twosistersdips.com/uploads/1/3/0/6/130604636/4954282.pdf
    • http://webdisk.goingawayguide.com/uploads/1/3/0/6/130620568/a2958.pdf
    • http://hcred.org/uploads/1/3/0/4/130489359/9783525.pdf
    • http://www.anthonymcmaster.com/uploads/1/3/0/5/130590157/bogab.pdf
    • http://newyearswim.co.uk/uploads/1/3/0/7/130776401/pasabokoboze.pdf
    • http://soundpole.net/uploads/1/3/0/7/130776063/xolevimozik-vabonu.pdf
    • http://joemarianek.info/uploads/1/3/0/4/130475996/fowuwe.pdf
    • http://meganmcelwain.com/uploads/1/3/0/6/130604836/0e1911926.pdf
    • http://lizmckernan.com/uploads/1/3/0/8/130813762/130813762.html#patient+safety+culture+survey+arabic

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00001d5f.bin
4d9ec2aec8f1ca6bebe1b56492fd55a77bba3a6e98efb76508c1b835d4eb9912		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1D5F 2860 bytes
font_01_sfnt_off000026d0.bin
b3affdfdfee497c2d3230853582529cf395d265bfdbb8cde7d84ae9c33602211		 pdf-font-stream PDF embedded font (sfnt) at offset 0x26D0 16036 bytes
font_02_sfnt_off00003dcb.bin
1973be81e5b9ebf97f747819b19495a14898d41e4665c393d380ed4725763c98		 pdf-font-stream PDF embedded font (sfnt) at offset 0x3DCB 7768 bytes

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