Malicious PDF — malware analysis report

Static analysis result for SHA-256 c283808a06da1eb9…

MALICIOUS

PDF

43.8 KB Authoring application: Mobipocket Creator
MD5: 5213f13050b819d15d6beabf5a4a0e11 SHA-1: 316fb5f56698a0a522b8b23985505103dd95bdde SHA-256: c283808a06da1eb96403425a8832ece48af7fe20fb9d2ea9626a29ff54ef28d7
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a large number of embedded external links, identified by the PDF_SEO_LINK_FARM heuristic. The ClamAV detection as 'Pdf.Phishing.TtraffRobotInstall' further supports a phishing or malicious redirection intent. The document body, though heavily obfuscated, appears to contain metadata related to a router, which is likely a lure to disguise the malicious link farm. 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://miembros-soylacasa.com/uploads/1/3/0/7/130739197/padimageduzovad.pdf
    • http://emmanuellederouville.com/uploads/1/3/0/6/130620940/ecc90d6.pdf
    • http://theright.buzz/uploads/1/3/0/2/130288939/wajezivojemawa.pdf
    • http://bertangevaare.com/uploads/1/3/0/5/130588168/9245317.pdf
    • http://theworkathomehaven.info/uploads/1/3/0/6/130604871/lagutatar.pdf
    • http://missdwiggles.com/uploads/1/3/0/2/130272270/add4a2d.pdf
    • http://www.josephinesbubble.com/uploads/1/3/0/6/130621460/pubov.pdf
    • http://www.theedladder.net/uploads/1/3/0/4/130436458/7590593.pdf
    • http://newbernapp.com/uploads/1/3/0/8/130874608/3b6cc637d5f.pdf
    • http://alphainternationalenterprises.com/uploads/1/3/0/6/130603818/lurovufal-xasifiwe-puxaduzawi.pdf
    • http://creativecommunicationsls.ca/uploads/1/3/0/4/130435594/mirijawa.pdf
    • http://mordblessed.com/uploads/1/3/0/7/130776421/jebapimasano.pdf
    • http://wecr8.co/uploads/1/3/0/6/130621702/a3310062c91cb75.pdf
    • http://ogangii.com/uploads/1/3/0/4/130488195/kemezulinude_bagik_zakususorumen_pamelerax.pdf
    • http://neurorehabkent.com/uploads/1/3/0/6/130605263/nawusufuduzus.pdf
    • http://drmanivongjratts.com/uploads/1/3/0/5/130540642/xoniwofapajow-vogefa-mikakiromun-wedakewej.pdf
    • http://myrecorddeal.net/uploads/1/3/0/2/130272352/6357967.pdf
    • http://www.bcdcosmetics.com/uploads/1/3/0/6/130621917/38fc5.pdf
    • http://crosswindscrossfit.com/uploads/1/3/0/2/130291555/wuvepi-lojixi.pdf
    • http://travelwithahmed.com/uploads/1/3/0/4/130435716/d7cda1382.pdf
    • http://p2plendingplatforms.com/uploads/1/3/0/8/130815026/dewodududosuz.pdf
    • http://destinationsoflove.voyagerwebsites.com/uploads/1/3/0/5/130550660/130550660.html#tp-link+archer+c2+ac900+wireless+router

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000395c.bin
d5ed1c3e32e121bc7fdf4b7f64e9f52042883cdc8d0b4eb1f0c73bff7e2be32e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x395C 4236 bytes
font_01_sfnt_off00004985.bin
e14b95fbf0b9b9e17e47651c5ba2159aee257674493e660e3482fd5f584a8604		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4985 8612 bytes

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