Malicious PDF — malware analysis report

Static analysis result for SHA-256 383eaf19d99acacb…

MALICIOUS

PDF

38.3 KB Authoring application: LibreOffice Draw
MD5: 22c073003e591fcbb5820f18ba0d6c61 SHA-1: b77a3fa008308e5a3074f1fb760826e87de9d20a SHA-256: 383eaf19d99acacb12963cc8c870857ed178d7d645c2ed15a0a9470244e8f430
152 Risk Score

Malware Insights

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

The PDF document contains a large number of embedded links to external PDF files, disguised as an admission form. This technique is commonly used for phishing or distributing further malware. The ClamAV detection and ML classifier strongly indicate malicious intent, likely related to phishing or traffic redirection.

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://wipmyself.com/uploads/1/3/0/2/130289510/wojamusezug.pdf
    • http://shop-otc.co/uploads/1/3/0/7/130775540/libotikediluna.pdf
    • http://keystonehiphop.com/uploads/1/3/0/5/130546606/8f474e23.pdf
    • http://rosarysauce.com/uploads/1/3/0/7/130738637/0dcee964.pdf
    • http://brighthealthinsurance.com/uploads/1/3/0/6/130639508/danomapu-gurulakutitibe.pdf
    • http://www.walleyefallbrawl.net/uploads/1/3/0/5/130551247/mapodajetejut-fegoj-zazusakulawusi.pdf
    • http://plbuilders.net/uploads/1/3/0/2/130271240/ladipagonuleji.pdf
    • http://natinelflowerslinensandrentals.com/uploads/1/3/0/6/130639558/fokefoxen_firugojedalat_wepebewaworovox.pdf
    • http://der-orchideengarten.com/uploads/1/3/0/3/130313103/wexigopoxalabus.pdf
    • http://stumblebumbeer.com/uploads/1/3/0/4/130476294/loteniguvuxunom.pdf
    • http://move4health.net/uploads/1/3/0/6/130604281/kilivafimuseni_muwunivitupi.pdf
    • http://playforprogress.com/uploads/1/3/0/6/130639139/f2d80629c9d076c.pdf
    • http://coaldustnation.com/uploads/1/3/0/7/130775584/4132686.pdf
    • http://www.raquel-laredo.com/uploads/1/3/0/7/130775372/b4cd5ba3f791f6.pdf
    • http://sososolutions.com/uploads/1/3/0/7/130739086/vekajino.pdf
    • http://phatbottomspray.com/uploads/1/3/0/5/130589354/tedereb-kiput-jonarelinire.pdf
    • http://supersecretprojectx.com/uploads/1/3/0/3/130323642/padexarutisa.pdf
    • http://www.slrealproperty.com/uploads/1/3/0/7/130776408/144be.pdf
    • http://merchmerchmerch.shop/uploads/1/3/0/3/130323932/zanijiwijaz-suvolagiw.pdf
    • http://www.geoffrasmussen.com/uploads/1/3/0/5/130551073/1bca3c26cf.pdf
    • http://www.immigrationlawvirginia.net/uploads/1/3/0/9/130969176/rulefozelade.pdf
    • http://zdzz.brdge.org/uploads/1/3/0/8/130874011/130874011.html#navodaya+9th+class+admission+form+2020+pdf

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000034a1.bin
388714a05f93fae2124f7487939665852350ec9f6aaf98d6c59667c20694ba00		 pdf-font-stream PDF embedded font (sfnt) at offset 0x34A1 8016 bytes

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