Malicious PDF — malware analysis report

Static analysis result for SHA-256 080ebf5f0ca1e948…

MALICIOUS

PDF

49.3 KB Authoring application: Soda PDF
MD5: 6f4df4895e2a5ef5eecb4130cca608ba SHA-1: 9a0d1dfe047ddc038c17890e54f0700973bfa0aa SHA-256: 080ebf5f0ca1e948b76ab9fa95a5583fbf2a7e5c7e787faaee904dbcdb08fade
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded URLs pointing to external PDF files, a technique often used for SEO spam or to distribute malicious content. ClamAV detected this file as 'Pdf.Phishing.TtraffRobotInstall-7605656-0', and a machine learning classifier also flagged it as malicious. The embedded URLs suggest a phishing or content distribution attack vector.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9999

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://nickhaymedia.com/uploads/1/3/0/5/130589160/4ecc29faf56e.pdf
    • http://ravenhousevintage.co.uk/uploads/1/3/0/7/130775295/879f7ec.pdf
    • http://nacionallegacy.com.br/uploads/1/3/0/5/130546457/5b6b248f4f2.pdf
    • http://whm.sylviasenglishonline.org/uploads/1/3/0/5/130589295/b0d8886ebeab840.pdf
    • http://borough18mc.com/uploads/1/3/0/6/130639971/zojosemanijefibibag.pdf
    • http://donandphil.com/uploads/1/3/0/3/130379561/jaberaxowel.pdf
    • http://abrasax.info/uploads/1/3/0/5/130589125/0ee5bd1bcf90bd9.pdf
    • http://waltschlender.com/uploads/1/3/0/4/130478831/8270166.pdf
    • http://rentlux.net/uploads/1/3/0/4/130483178/badib_kejot.pdf
    • http://dklimek.com/uploads/1/3/0/4/130483230/tupipikitab.pdf
    • http://mta-sts.mail.floweroflovesf.com/uploads/1/3/0/7/130775405/lekenoxewenorepu.pdf
    • http://baileyjohall.com/uploads/1/3/0/7/130739513/rasolotaxif-disorejiv-zuburidiberina-xedujerazoxubut.pdf
    • http://joyfulchild.net/uploads/1/3/0/5/130551338/0cc526718.pdf
    • http://creeklandmiddleschoolchorus.com/uploads/1/3/0/7/130739224/a98e2ec64eb1.pdf
    • http://midster.net/uploads/1/3/0/7/130739536/0475eaaf.pdf
    • http://kybral.com/uploads/1/3/0/6/130605346/voxajezutigi.pdf
    • http://buecard.com/uploads/1/3/0/2/130288441/ca5e03009f7b64.pdf
    • http://vessol.com/uploads/1/3/0/4/130483631/fidofer_zagunejidew_punoboxezifoz_xarud.pdf
    • http://roguepilots.com/uploads/1/3/0/7/130776016/2214983.pdf
    • http://smalldiningsets.net/uploads/1/3/0/6/130604729/60df7799ae.pdf
    • http://twogirlswithglasses.com/uploads/1/3/0/3/130313274/jujotovetasadekez.pdf
    • http://ninety-percent.com/uploads/1/3/0/4/130483566/2733812.pdf
    • http://www.marianahdesign.com/uploads/1/3/0/5/130550980/20943a8e50604.pdf
    • http://leadsolo.com/uploads/1/3/0/6/130620778/wedigajide-numaji-videwalovop-wixakusitoju.pdf
    • http://host19.carmichaelnl.com/uploads/1/3/0/7/130775589/130775589.html#antiinflamat%C3%B3rios+n%C3%A3o+ester%C3%B3ides

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000010ab.bin
ce99e8eb087b3cef2a2e936d0f22b733d8c837838e64f7f3c1d7dc7b0ae550e0		 pdf-font-stream PDF embedded font (sfnt) at offset 0x10AB 10236 bytes

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