Malicious PDF — malware analysis report

Static analysis result for SHA-256 2e9d0352eccee0d6…

MALICIOUS

PDF

44.3 KB Authoring application: Smallpdf Desktop
MD5: 2f22a14e7ed6cc033d1fe1efb21c917a SHA-1: d53d0ae92bdf51c0be7aca3dc93c19e1c881a1be SHA-256: 2e9d0352eccee0d622492ebfe8e7d8ab116565c114329c8de760e27eed2a607a
150 Risk Score

Malware Insights

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

The PDF file was flagged by ClamAV as Pdf.Phishing.TtraffRobotInstall-7605656-0 and a machine learning classifier. Static analysis revealed a large number of embedded external links, indicating a potential link farm or redirection to malicious content. The document body contains obfuscated text and multiple URLs, reinforcing the phishing or malicious redirection intent.

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://vosodoxof.kidlikes-cinema.ru/uploads/2020/01/28/gudebibusovat-zopobaf.pdf
    • http://bitixiliz.member-neteller.mobi/uploads/2020/01/29/severonoponaz.pdf
    • http://joseelosegui.com/uploads/1/3/0/3/130313673/nevonafotej.pdf
    • https://selakujaxajovot.weebly.com/uploads/1/3/0/5/130540897/xotamekina.pdf
    • http://rtbartist.com/uploads/1/3/0/6/130620416/5853214.pdf
    • http://mskreslo.ru/uploads/2020/01/27/xavominigivaku-kikafo-jibobef-wodonujiw.pdf
    • https://subidajuguxax.weebly.com/uploads/1/3/0/5/130589180/2917306.pdf
    • http://noahsarkma.org/uploads/1/3/0/5/130552084/cbe6252e490.pdf
    • http://gasopika.mily.icu/uploads/2020/01/29/pabalazejama.pdf
    • http://steelcityselectsoftball.com/uploads/1/3/0/5/130547613/a37ba1ec645eef.pdf
    • http://thewarriorsoftruth.com/uploads/1/3/0/6/130639236/be6a96f136cd.pdf
    • http://cosmetictattoostudio.com/uploads/1/3/0/4/130490378/vejaruwejifa.pdf
    • https://falutexon.weebly.com/uploads/1/3/0/6/130603688/3198858.pdf
    • http://mvhsphotography.com/uploads/1/3/0/5/130550792/wajadufufibexis.pdf
    • http://sos-1.com/uploads/1/3/0/5/130550868/tofolaraw.pdf
    • http://mindforyou.org/uploads/1/3/0/6/130605072/130605072.html#bathukamma+songs+lyrics+in+telugu+pdf

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000140e.bin
7b456c9e8b08c20c29131c661e0e5672196533200fcdbced3f815ef1eefebe6d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x140E 7600 bytes
font_01_sfnt_off000066a6.bin
bad41045811b0159ec1dbf9a0cfffca81eefcfdd8377f5bd33dfcf650f673e12		 pdf-font-stream PDF embedded font (sfnt) at offset 0x66A6 7856 bytes

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