Malicious PDF — malware analysis report

Static analysis result for SHA-256 3c1a361af169dd96…

MALICIOUS

PDF

30.9 KB Authoring application: ImageMagick
MD5: 2eba3361b422baf5cca251bac0a6da7f SHA-1: cc5fc221792ed293ec7125e875b42cde19b1f323 SHA-256: 3c1a361af169dd9672aeea9f2aa4f76a9a7c65df5b36b0074ad3bd89ed7ee2ff
150 Risk Score

Malware Insights

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

The PDF contains a large number of embedded URLs, identified by the PDF_SEO_LINK_FARM heuristic, suggesting a link farm or redirection scheme. ClamAV detection as Pdf.Phishing.TtraffRobotInstall-7605656-0 further supports a malicious intent, likely related to phishing or traffic generation. No scripts were extracted from this sample.

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.writerfitness.com/uploads/1/3/0/7/130739446/52fc7cf78efe.pdf
    • http://cambcollege.com/uploads/1/3/0/7/130738764/e544fa393b9d1.pdf
    • http://beatdiabetesnow.org/uploads/1/3/0/6/130639757/cf848972488645c.pdf
    • http://lurkmode.com/uploads/1/3/0/3/130323526/pinupuraruzo-vidajirem-debolar-gusifomotimij.pdf
    • http://celebratinggodscreation.org/uploads/1/3/0/4/130435598/tuxaxavila-nabigo-dixisuv.pdf
    • http://www.thesconnection.com/uploads/1/3/0/4/130488399/mizidokotaxaje_vuvugaviweg_tukelivitixoz_litatinekame.pdf
    • http://wastedtalentdesign.com/uploads/1/3/0/3/130379246/luwosumetojewop_pizawupuwutur_wumodewa_gijatuva.pdf
    • http://eh3images.com/uploads/1/3/0/7/130776826/1f737.pdf
    • http://afcitypark.com/uploads/1/3/0/7/130776147/jimesaxafo.pdf
    • http://wilsongardens.com/uploads/1/3/0/6/130604548/noguruginoguditoli.pdf
    • http://tanjon6.club/uploads/1/3/0/4/130483338/1520891.pdf
    • http://myersfamilyunified.com/uploads/1/3/0/6/130604259/milupelevimivuwadu.pdf
    • http://oquirrhmountaingoldendoodles.com/uploads/1/3/0/7/130739443/mikumibuzifa_vidusat_fanisufagekurak_vixabor.pdf
    • http://greensborolawn.com/uploads/1/3/0/6/130603874/9a7435be3a58.pdf
    • http://sureadjust.net/uploads/1/3/0/6/130603803/kopawegedobo.pdf
    • http://beatexpansion.com/uploads/1/3/0/2/130272862/viverapot.pdf
    • http://indiarealtysearch.com/uploads/1/3/0/7/130738632/latafupekuxefanile.pdf
    • http://losangeles-soul.com/uploads/1/3/0/4/130490221/b13d9b58bafebc.pdf
    • http://moniquesdreamsounds.com/uploads/1/3/0/4/130435594/kafifur.pdf
    • http://alpineflare.com/uploads/1/3/0/5/130588188/xawiledap-zurotu-mifalupigebomaw-dagawaze.pdf
    • http://askarando.com/uploads/1/3/0/7/130738527/db2ced0.pdf
    • http://mydrivingschoolga.com/uploads/1/3/0/6/130604824/51c5775cc4ff92.pdf
    • http://annebraeburn.com/uploads/1/3/0/6/130620975/e25208f.pdf
    • http://raphel.com/uploads/1/3/0/6/130639326/mololulinek.pdf
    • http://host30.carmichaelnl.com/uploads/1/3/0/4/130435906/130435906.html#happy+birthday+jazz+piano+sheet+music+easy

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000018e1.bin
80b6efa8c12a8b916a2b8835d3cf8b560e5cb99138e74cf06899cf1ada8a981d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x18E1 6284 bytes

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