Malicious PDF — malware analysis report

Static analysis result for SHA-256 f8764dffba724a6c…

MALICIOUS

PDF

35.7 KB Authoring application: Poppler-utils
MD5: 6bbc14d15944769a09d8700d55838450 SHA-1: f63b73aed8e29d2674184c718b91d6deec7525cb SHA-256: f8764dffba724a6cc35177568aea8a76292cfe6f429a1ff36033b62be603cb46
120 Risk Score

Malware Insights

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

The PDF contains a large number of embedded URLs pointing to other PDF files, indicating a link farm likely used for phishing or distributing further malware. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports a phishing or traffic redirection intent. No scripts were extracted, and the document body was heavily obfuscated, limiting further analysis of the immediate content.

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://southernangelboutique.net/uploads/1/3/0/3/130323091/jumapekovixebo.pdf
    • https://gexeruvafov.weebly.com/uploads/1/3/0/5/130588934/fofidorokok_lufuro_mirujutijuwemat.pdf
    • http://asianart.studio/uploads/1/3/0/4/130436244/f7b9dffcdb1911.pdf
    • http://lal.dawhdsads.icu/uploads/2020/01/28/nazulibadov-tekori-mozomovogomidit.pdf
    • http://civilwarlady.org/uploads/1/3/0/5/130589214/d3354fee3dd0.pdf
    • http://ay-kay.com/uploads/1/3/0/6/130639400/87ca28.pdf
    • http://konnektuk.com/uploads/1/3/0/6/130639701/6a5ed71d6.pdf
    • http://suesessentiallife.com/uploads/1/3/0/6/130639906/7978010.pdf
    • http://depigotuso.nickel-logine.com/uploads/2020/01/28/a37b5e1403a0d5.pdf
    • http://allisonevansphd.com/uploads/1/3/0/2/130289236/4129134.pdf
    • http://lwkdesigns.com/uploads/1/3/0/5/130545733/5468685.pdf
    • http://bayareaindustrialland.com/uploads/1/3/0/3/130324112/9951811.pdf
    • http://chrisarkwright.com/uploads/1/3/0/5/130588807/busoxefawavel-liwir-jabinivogiz.pdf
    • http://meliciosa.com/uploads/1/3/0/2/130272389/puwazat.pdf
    • http://charjormusic.com/uploads/1/3/0/2/130272856/jefodekidaki_finafugejekoso_wugeloz_jijobukake.pdf
    • http://peppermintskyranch.com/uploads/1/3/0/5/130544131/7842928.pdf
    • http://mystparanormal.com/uploads/1/3/0/5/130539046/raxetisaxaj_jememozasa.pdf
    • http://victorjoelortiz.com/uploads/1/3/0/5/130588437/b024b.pdf
    • http://4gkingdomliving.com/uploads/1/3/0/6/130621634/sutixi-vobemuvaw.pdf
    • https://runezoxe.weebly.com/uploads/1/3/0/5/130550706/madon.pdf
    • http://zuxovebo.ecokzn.com/uploads/2020/01/27/1608837.pdf
    • http://chardia.net/uploads/1/3/0/6/130621446/9545463.pdf
    • http://northforkyoga.com/uploads/1/3/0/3/130323633/divevure-gijuxopeno-jenow.pdf
    • http://bsa-sccc-pack301.com/uploads/1/3/0/5/130588795/130588795.html#total+coliform+count+in+food

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000016c5.bin
bc86d1e542d755d252d747e482e9505d2a0b710e77dc198155e7060ec1465862		 pdf-font-stream PDF embedded font (sfnt) at offset 0x16C5 7536 bytes

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