Malicious PDF — malware analysis report

Static analysis result for SHA-256 35957cc7e01d4704…

MALICIOUS

PDF

43.8 KB Authoring application: Mobipocket Creator
MD5: 2cbfea2020fe9774ac6e9a5ac1675904 SHA-1: 264d4ee5a5a0ee672cf5ef74e6300a936b8092ba SHA-256: 35957cc7e01d4704c37ede19efd6d795c8066850f9486894d63ed2237f11d4fb
150 Risk Score

Malware Insights

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

The PDF contains a large number of embedded external links, a technique often used for SEO manipulation or to distribute malicious content. The ClamAV detection and ML classifier strongly indicate malicious intent. The document body text is heavily truncated and unreadable, preventing a more specific analysis of its lure.

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://www.achickandherpeas.com/uploads/1/3/0/4/130435666/tonevinuto-pupexitanelos-digowetunajexu-xuminota.pdf
    • http://mta-sts.top-notch-exteriors.com/uploads/1/3/0/2/130288301/dewapigozaxejivar.pdf
    • http://plants-paintings.studio/uploads/1/3/0/8/130874019/df744e7604.pdf
    • http://colorbrushcanvas.com/uploads/1/3/0/4/130483232/wazovetubuwaxulokugo.pdf
    • http://mrmanateepoolservice.com/uploads/1/3/0/5/130538953/kukedarewexajewoj.pdf
    • http://sueupton.ca/uploads/1/3/0/2/130287521/nulogovexala.pdf
    • http://clinicademedicinafetal.com/uploads/1/3/0/2/130273944/4588026.pdf
    • http://hostmaster.marcussamperi.com/uploads/1/3/0/5/130588627/6327652.pdf
    • http://www.remiromeodance.com/uploads/1/3/0/6/130620501/7b8810b5.pdf
    • http://realitycheat.com/uploads/1/3/0/5/130539182/nikodinugureze.pdf
    • http://longmont66.com/uploads/1/3/0/5/130589429/427111.pdf
    • http://learning-science.net/uploads/1/3/0/4/130475955/vakaguzuxebujuxin.pdf
    • http://michiganfolkschool.org/uploads/1/3/0/4/130489725/tupepad-malusunikatoj-liwate-posubonedax.pdf
    • http://nc-zeitgeist-foundation.org/uploads/1/3/0/6/130620764/2bf2f3360678c93.pdf
    • http://boubio.net/uploads/1/3/0/7/130740513/vubeluvet.pdf
    • http://ladieslearnenglish.com/uploads/1/3/0/6/130640214/ae4a8efdb84a8e7.pdf
    • http://kalekim.nl/uploads/1/3/0/3/130379160/watetogosawuk.pdf
    • http://www.unitedbymusic.no/uploads/1/3/0/5/130552084/tepolipirisugipeg.pdf
    • http://salalounge.club/uploads/1/3/0/6/130620659/ac47f5.pdf
    • http://alpha-deals.online/uploads/1/3/0/6/130605420/pelalizidagarew.pdf
    • http://93ugs.salon225.com/uploads/1/3/0/5/130588315/130588315.html#como+hacer+un+diagnostico+organizacional+pdf

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00004bf7.bin
3cdfda855508e546adb96a91c01535cb94311259bf7dc757a14c3fb6e537ce91		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4BF7 8372 bytes

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