Malicious PDF — malware analysis report

Static analysis result for SHA-256 d9578dc1a1975ac1…

MALICIOUS

PDF

49.3 KB Authoring application: SWFTools
MD5: 4e98ad073179e3a36c5071729fe6721a SHA-1: 611a1b63d37d5c88fd73c719845bb6dbe9b4f761 SHA-256: d9578dc1a1975ac195d89e2540e3f3f7c12d21bf27bbcccebb480a09da4b3930
128 Risk Score

Malware Insights

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

The PDF file contains a large number of external links, many of which point to other PDF files, indicating a link farm or redirection scheme. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' strongly suggests a phishing or traffic redirection purpose. The presence of a visual download button further supports the lure-based attack pattern.

Heuristics 4

  • 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
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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://tuknikgs.com/uploads/1/3/0/6/130620547/kinunimatodubip-lepararoge.pdf
    • http://mklmok.com/uploads/1/3/0/6/130604597/zajovisej-zigeminuk.pdf
    • http://southlandbaptisttemple.net/uploads/1/3/0/6/130639669/3146990.pdf
    • http://nexuspointrecordings.net/uploads/1/3/0/5/130539170/nukavuzefob-fobep-nakulisogetil-saxoj.pdf
    • https://mefuwaviwakal.weebly.com/uploads/1/3/0/5/130544147/xawijisititi.pdf
    • http://nordbygdahandball.no/uploads/1/3/0/5/130588681/5821482.pdf
    • https://givemubafaleb.weebly.com/uploads/1/3/0/5/130551294/db9a07833.pdf
    • http://reedsboutique.com/uploads/1/3/0/6/130603865/penutit.pdf
    • http://oplata24info.online/uploads/2020/01/28/xotuzofokurix_kivedesipij_datozixiwem.pdf
    • http://noyirionworks.com/uploads/1/3/0/4/130483331/5103410.pdf
    • https://sekubuliluvefaf.weebly.com/uploads/1/3/0/3/130379147/rozokirobuw_vegig.pdf
    • http://naxego.avtosvet24.ru/uploads/2020/01/28/dabewavevegatuduvi.pdf
    • http://stagelife918.com/uploads/1/3/0/2/130289235/3615660.pdf
    • http://bisaxeji.voloklinik.com/uploads/2020/01/28/ditatamipe-gebesejeredozum-pitabusi-fifes.pdf
    • http://shumaisakhan.com/uploads/1/3/0/5/130543837/fogatavi.pdf
    • http://medicinari-njemacka.com/uploads/1/3/0/4/130489185/29556.pdf
    • http://redbudpromotions.net/uploads/1/3/0/3/130379529/4191564.pdf
    • http://michaudwellness.com/uploads/1/3/0/5/130551536/130551536.html#outlook+for+mac+app

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000017a2.bin
c2e6ccb72f4c1677634170e7d6fb41655b82bd65fe5c3bcdf5adf4d2dd22e3bc		 pdf-font-stream PDF embedded font (sfnt) at offset 0x17A2 8636 bytes

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