Malicious PDF — malware analysis report

Static analysis result for SHA-256 518d361ddd1e698c…

MALICIOUS

PDF

41.7 KB Authoring application: pdf-parser
MD5: af599930841ba7fdfaff3a1e17e1e0be SHA-1: 180cf052d45945fed15b1c26e5537a0f40fedd06 SHA-256: 518d361ddd1e698c22baf9201bb29eb3798af83fb8c74e910a570ae025e7f245
128 Risk Score

Malware Insights

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

The PDF contains a large number of external links, identified as a PDF_SEO_LINK_FARM heuristic, suggesting an attempt to manipulate search engine results or redirect users to malicious content. The ClamAV detection as 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports a phishing or malicious download intent. The presence of a visual download button reinforces the lure. No scripts were extracted from this sample.

Heuristics 4

  • 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
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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://mujberchtesgaden.com/uploads/1/3/0/2/130270958/nawomusizoxe.pdf
    • http://grantdigitalmedia.com/uploads/1/3/0/6/130639351/rusuvokegov.pdf
    • http://dearbornpainterpros.com/uploads/1/3/0/7/130776152/zufepolibu-dowikuzav-natubiforor.pdf
    • http://www.billyslittlebench.com/uploads/1/3/0/2/130292148/kipevukebefem.pdf
    • http://mountain-plumbing.com/uploads/1/3/0/5/130538875/tobunetewufe-bupixatujeka-daseriv-visakigek.pdf
    • http://sisu2020.org/uploads/1/3/0/6/130604141/0f1c2c2597.pdf
    • http://stjosephshospice.com/uploads/1/3/0/8/130814346/063d5.pdf
    • http://williamwhitlow.com/uploads/1/3/0/5/130590029/ae1b828a2a.pdf
    • http://gslsafetyprogram.com/uploads/1/3/0/3/130312961/5195961.pdf
    • http://aquastony.com/uploads/1/3/0/2/130288753/3596554.pdf
    • http://happytimes.media/uploads/1/3/0/7/130776601/selot-negexogekafeg-wokekuwerogi-gafuze.pdf
    • http://ellisrovinmusic.com/uploads/1/3/0/2/130270836/zosizezag.pdf
    • http://kinoseriya.club/uploads/1/3/0/6/130621063/kitero.pdf
    • http://parkscore.net/uploads/1/3/0/2/130289695/pisujefa.pdf
    • http://bettergoods69.com/uploads/1/3/0/2/130289502/pizuv.pdf
    • http://huatequelive.com/uploads/1/3/0/6/130604333/xixaturorezape.pdf
    • http://www.margeesalgado.com/uploads/1/3/0/4/130488574/708446.pdf
    • http://getfueledforlife.com/uploads/1/3/0/6/130639652/fejapeweno.pdf
    • http://blythespiritsenterprises.com/uploads/1/3/0/5/130544232/gokidofilib.pdf
    • http://audreyschoen.com/uploads/1/3/0/2/130289304/184745.pdf
    • http://3ljmr.bpmtc.com/uploads/1/3/0/6/130639449/130639449.html#g+blues+pentatonic+scale+guitar

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000042bf.bin
8c9225e0e5e68a3edcc0dd470f84b7fb43b62a0c8d2c042eae2adc37de2df622		 pdf-font-stream PDF embedded font (sfnt) at offset 0x42BF 8336 bytes

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