Malicious PDF — malware analysis report

Static analysis result for SHA-256 7fa29c9d418f9208…

MALICIOUS

PDF

37.1 KB Authoring application: SWFTools
MD5: d300f167ff63c08850fca7ec02b7a9dc SHA-1: a57f9e6c2344563be0a98573ac00ed5b97529934 SHA-256: 7fa29c9d418f9208549f4324b51779a3ecc44c4f38825e4b8a13cf832ec93aa9
150 Risk Score

Malware Insights

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

The PDF contains a large number of embedded URLs pointing to external PDF files, a technique often used for SEO manipulation or to distribute further malicious content. The ClamAV detection as 'Pdf.Phishing.TtraffRobotInstall-7605656-0' and the ML classifier's high confidence score further support the malicious nature of this document. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9996

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://esyllabusforafrica.org/uploads/1/3/0/7/130776106/3190887.pdf
    • http://akankshanegi.net/uploads/1/3/0/2/130289569/somal.pdf
    • http://nimehime.com/uploads/1/3/0/7/130739167/6986741.pdf
    • http://clearviewbicyouth.com/uploads/1/3/0/2/130288439/0025480.pdf
    • http://static.slowmusic.pl/uploads/1/3/0/4/130488241/gulotawibizu-fatutare-piwukotetaw.pdf
    • http://functistics.com/uploads/1/3/0/5/130551356/6082209.pdf
    • http://mmeconnect.com/uploads/1/3/0/5/130551144/012c3c0b14f7.pdf
    • http://shardworld.com/uploads/1/3/0/5/130545021/jaxulebunefo_lopusupimevo_famuduwur_pabewoba.pdf
    • http://sexywowbeauty.com/uploads/1/3/0/6/130621052/bawufetanugoke.pdf
    • http://oakhillcontractorsllc.net/uploads/1/3/0/7/130739493/6703156.pdf
    • http://rainescampaign.com/uploads/1/3/0/4/130476243/150fd24bf583f5.pdf
    • http://www.policyanalyticsgroup.net/uploads/1/3/0/3/130313426/6908007.pdf
    • http://michaeldeaton.com/uploads/1/3/0/6/130639845/580996.pdf
    • http://cartercarpio.com/uploads/1/3/0/6/130640116/wilibasaka-zomovekate-lanomoj-lixerifubil.pdf
    • http://philosophermoss.com/uploads/1/3/0/9/130969019/pusijajugater_gipujani_nikalu_gugojilu.pdf
    • http://shadesofucw.com/uploads/1/3/0/7/130739020/46589.pdf
    • http://mocamarketing.com/uploads/1/3/0/6/130621307/f2aabffbd53.pdf
    • http://germanbedbugs.com/uploads/1/3/0/7/130775271/botubofosakebewidil.pdf
    • http://hallo-beauty.pl/uploads/1/3/0/2/130289322/niroxu-vejafad-vovowupaj.pdf
    • http://costumearty.com/uploads/1/3/0/2/130272591/2293220.pdf
    • http://novateckfloor.com/uploads/1/3/0/6/130603971/3aacdf961a8.pdf
    • http://freefreightmatch.com/uploads/1/3/0/4/130488270/6e520b48.pdf
    • http://cosras.weascend.org/uploads/1/3/0/7/130739333/wudizapetezixo-dojegoluzeg-bebosoraxejis-wivujet.pdf
    • http://huangmayulechengkefu.br3h.com/uploads/1/3/0/6/130640032/26a60afc6b6.pdf
    • http://74-123-75-164.mgwnet.com/uploads/1/3/0/5/130588649/130588649.html#la+vie+en+rose+uke+picking

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000211a.bin
3d52fc27d04b8b84b219df719738f768697e09c2050136bc1fe69fcddf4eca6e
pdf-font-stream PDF embedded font (sfnt) at offset 0x211A 2652 bytes
font_01_sfnt_off00002ce6.bin
048f152768887354d2b8cb6b19cc1301de74e22c0487e9c3af8849de3bad78c9
pdf-font-stream PDF embedded font (sfnt) at offset 0x2CE6 8288 bytes