Malicious PDF — malware analysis report

Static analysis result for SHA-256 6ff7093dbbcd241b…

MALICIOUS

PDF

32.1 KB Authoring application: OpenOffice.org
MD5: 0c15b47820913f302a705b32f3b6814b SHA-1: f3153179126a735a3a9466be68a636d2504c077b SHA-256: 6ff7093dbbcd241be4f153e97c1e1be7a91445dd1040a5687edc4ce9a9e24b0b
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded external links, identified by the PDF_SEO_LINK_FARM heuristic. ClamAV detection as Pdf.Phishing.TtraffRobotInstall-7605656-0 and the ML classifier output strongly indicate malicious intent. The embedded URLs likely lead to further malicious content or phishing pages.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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://fuzok.powking1.ru/uploads/2020/01/27/wavofitu-kowati.pdf
    • http://flowers-mood.ru/uploads/2020/01/29/9605715.pdf
    • http://heavensgatescherryfarm.net/uploads/1/3/0/3/130323937/61a0c60.pdf
    • https://wujusazagejum.weebly.com/uploads/1/3/0/2/130287428/nodowofakirozagu.pdf
    • http://porefuvi.audiostart33.icu/uploads/2020/01/27/jamopizo_xunumozada_kitevejarenif.pdf
    • http://zugatexezo.darcis-ko.fun/uploads/2020/01/27/2677477.pdf
    • https://tizomepopuge.weebly.com/uploads/1/3/0/5/130543467/muviripexor.pdf
    • http://tenuretawo.horeca-special.ru/uploads/2020/01/28/rumorubo_medujoxuja_nawedubixow.pdf
    • https://mebiduniriza.weebly.com/uploads/1/3/0/3/130323552/302635.pdf
    • http://tiwawumili.turnrun.fun/uploads/2020/01/27/voludadomi.pdf
    • http://tifewo.servago.ru/uploads/2020/01/28/9ddce.pdf
    • http://vailantjewelry.com/uploads/1/3/0/2/130289220/5875676.pdf
    • http://nickumelectric.com/uploads/1/3/0/3/130379285/wulodiritux.pdf
    • http://keepcalmwaxon.com/uploads/1/3/0/6/130620626/mefolitusexivuk-vuwuxejefegidus-rosababexapi-nobek.pdf
    • http://jopumizelu.vitamin-b17.ru/uploads/2020/01/28/kafor-fezumu.pdf
    • http://gereke.omalus.com/uploads/2020/01/27/7109290.pdf
    • http://kittywatchjapan.com/uploads/1/3/0/5/130551054/130551054.html#story+of+an+hour+worksheet+pdf

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00001489.bin
5b7b2fea7be5f4bfe72775f05b524b4839360196deecbbe8da98c858ae304972		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1489 8124 bytes

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