Malicious PDF — malware analysis report

Static analysis result for SHA-256 de49c0b9ce48daca…

MALICIOUS

PDF

34.6 KB Authoring application: PDFedit
MD5: 6ab6fa9153f75028e7899be2fa574d87 SHA-1: 1a0cbd478a7d1585f17da8ea4a1f7a6f9661eb16 SHA-256: de49c0b9ce48dacaa7c4e43065db58491587f0452797a89ee92b9f78e268fd3c
120 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded URLs pointing to other PDF files hosted on various domains. This behavior is indicative of a link farm or a phishing campaign designed to redirect users to malicious content. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports the malicious classification. No scripts were extracted, and the document body content was heavily truncated and obfuscated, making it difficult to ascertain the exact lure.

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://notquitenans.com/uploads/1/3/0/6/130620763/bomaxuzaxidon-supaxiwaw-goradirupufive-sogiwugoxevoxa.pdf
    • http://findproxys.com/uploads/1/3/0/8/130873923/tifunu.pdf
    • http://deeprootshc.com/uploads/1/3/0/6/130621362/gapomaxisu.pdf
    • http://samwisemagic.com/uploads/1/3/0/5/130589413/b89c17c36276.pdf
    • http://ddhdevelopment.com/uploads/1/3/0/4/130483153/javajutadifakux.pdf
    • http://www.apolloaperture.com/uploads/1/3/0/2/130289315/3231161.pdf
    • http://adrisbeautystudio.com/uploads/1/3/0/2/130271161/3376887.pdf
    • http://ageinmyplace.net/uploads/1/3/0/8/130874034/e6156857d859fec.pdf
    • http://mypartycastle.com/uploads/1/3/0/2/130288731/7f3e63e943514.pdf
    • http://neuvenicephoto.com/uploads/1/3/0/2/130291649/jevitopavowener.pdf
    • http://lolman.net/uploads/1/3/0/3/130313180/4e1e697187ef96.pdf
    • http://www.sancheztaxservices.com/uploads/1/3/0/8/130874610/e2dc9c.pdf
    • http://youmatterllc.com/uploads/1/3/0/3/130313192/tinutet-vunosewuwixoxa-lozes.pdf
    • http://catawbapress.com/uploads/1/3/0/7/130776078/9f548.pdf
    • http://lagosjobsite.com/uploads/1/3/0/3/130323445/wiligin.pdf
    • http://theselfishparents.com/uploads/1/3/0/7/130775845/fibobutudi-zonujaga-xunupofivoxudu.pdf
    • http://cryptocoinwatchdog.com/uploads/1/3/0/5/130547142/4790735.pdf
    • http://digitalcurrencyexploration.com/uploads/1/3/0/7/130775936/bebuwelojowabu_ruxariwoka_nowimofa.pdf
    • http://thesupremeperformanceacademy.com/uploads/1/3/0/7/130738835/gijeperi_zagexaxikerami_redugifubevu_tibajivurerafe.pdf
    • http://mygrtbigftgreekstore.com/uploads/1/3/0/5/130539496/9103107.pdf
    • http://ahanna.org/uploads/1/3/0/7/130775197/jixufodo-vubixe-dilir-govirezojipi.pdf
    • http://setthetablegreenville.com/uploads/1/3/0/2/130289779/130289779.html#spelling+rules+adding+ed+and+ing+worksheets

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00002789.bin
269d7342d86d69c96fafd681b47a50265f4fdb5b7e01fe677c9063f4691a494d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2789 7396 bytes

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