Malicious PDF — malware analysis report

Static analysis result for SHA-256 9d34518d92ad2c35…

MALICIOUS

PDF

42.3 KB Authoring application: PDFBox
MD5: bc04fa4b11f30799476d6099b2beae29 SHA-1: 37ffbfac326eb2bcfa182147dd6ed64934848802 SHA-256: 9d34518d92ad2c35f9ab1f9c9906040ab2a927e4df5d587d5aaaa6e13208c19d
150 Risk Score

Malware Insights

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

The PDF file contains a large number of external links, as indicated by the PDF_SEO_LINK_FARM heuristic. The ClamAV detection and ML classifier also flag this file as malicious, specifically as a phishing or traffic-robot-install type. The embedded URLs likely lead to further malicious content or phishing pages, aiming to trick users into downloading or interacting with harmful files.

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://popsinc.net/uploads/1/3/0/4/130436159/kuvove.pdf
    • http://something4yall.com/uploads/1/3/0/5/130542940/b3551d232edf.pdf
    • http://vacavilleselfstorage.org/uploads/1/3/0/2/130289428/5580d7.pdf
    • http://mojovideo.net/uploads/1/3/0/5/130542922/zedorepofadojud.pdf
    • http://wearyourstate.com/uploads/1/3/0/7/130776457/0e8c03.pdf
    • http://youtubevideoindir.club/uploads/1/3/0/3/130379222/tewetexikenazup_bepibepiroron.pdf
    • http://oldmexico.info/uploads/1/3/0/7/130739535/4910314.pdf
    • http://resort24stay.online/uploads/1/3/0/4/130494389/tapavewuwaxes-sopaloj-ginugetuwu-jawije.pdf
    • http://www.mythosbaklava.ca/uploads/1/3/0/4/130476102/wofipuzosepuboj-dazujas-popita-jokapapotuwu.pdf
    • http://raphel.com/uploads/1/3/0/6/130639294/zosakis.pdf
    • http://masterofthedomains.com/uploads/1/3/0/6/130604049/fizufi-nipubemiz.pdf
    • http://thebravesboard.com/uploads/1/3/0/6/130620965/8544450.pdf
    • http://cwcphysio.com/uploads/1/3/0/5/130588865/lovop-vogokidorozinar-rofuwezo-matodidap.pdf
    • http://merosound.com/uploads/1/3/0/4/130483565/2124497.pdf
    • http://osakahoumausa.com/uploads/1/3/0/5/130589231/lasozexonusiregoz.pdf
    • http://idealmedikal.com/uploads/1/3/0/4/130488399/3038704.pdf
    • http://thefatherrising.com/uploads/1/3/0/6/130639212/diboki.pdf
    • http://raechild.net/uploads/1/3/0/4/130435598/gosafinexara-zevozugawas.pdf
    • http://mybathbuddy.com/uploads/1/3/0/2/130272352/wuzotutu.pdf
    • http://myrvtec.com/uploads/1/3/0/7/130776821/3b76df4f8471.pdf
    • http://buyephedrine.org/uploads/1/3/0/7/130775619/225fe27c76b43a.pdf
    • http://csisecurityinc.com/uploads/1/3/0/4/130488387/f0e44.pdf
    • http://www.fishemarketing.com/uploads/1/3/0/3/130313103/fuxitadejasonuk.pdf
    • http://nwspecialtylumbermill.com/uploads/1/3/0/7/130775411/b308da.pdf
    • http://herbalpetsupplement.com/uploads/1/3/0/6/130622120/zokigalaxuxo.pdf
    • http://74-123-79-15.mgwnet.com/uploads/1/3/0/4/130476150/130476150.html#mini+itx+pfsense+router%2Ffirewall
    • http://merosound.com/uploads/1/3/0/4/130483565/21244

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00003db9.bin
54c360e7aa131c75d503e66fec706c2293eeeae4cd125294a0e77df88f75853c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x3DB9 9072 bytes

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