Malicious PDF — malware analysis report

Static analysis result for SHA-256 79a60f5d2c1d5ecc…

MALICIOUS

PDF

43.5 KB Authoring application: Karbon
MD5: 5eea7f41e45abea131bbf1ce16c2b414 SHA-1: 3ba8a5095bd1b1a37788a626f95ce87e437bc593 SHA-256: 79a60f5d2c1d5eccfc71adbd6a61ce294ca877458643e28b2d4e8793f7e907f2
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1566.002 Spearphishing Link

The PDF file exhibits a critical heuristic firing for a link farm, containing 19 embedded URLs. The ClamAV detection as 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports a phishing or malicious redirection intent. The embedded URLs are likely used to direct users to malicious sites or to improve search engine rankings for malicious content.

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://easyopticaleyecare.net/uploads/1/3/0/3/130379423/136fbddd.pdf
    • http://millwoodsphysiotherapy.com/uploads/1/3/0/5/130550814/posudulosipura.pdf
    • https://padedetosinavef.weebly.com/uploads/1/3/0/5/130543210/jigajadidutobazuxaze.pdf
    • http://streetbrunch.com/uploads/1/3/0/6/130605292/limure-fufalilewadu.pdf
    • http://micro-datanet.net/uploads/1/3/0/2/130289430/40b6d57.pdf
    • http://networkinginhighheels.com/uploads/1/3/0/4/130489226/5513656.pdf
    • http://alphaxistatedkg.weebly.com/uploads/1/3/0/3/130313044/6859548.pdf
    • http://mpgtrucking.com/uploads/1/3/0/2/130288361/7459e206.pdf
    • http://stmarysoccer.com/uploads/1/3/0/2/130270905/tunesikoxib.pdf
    • http://carolynbretz.weebly.com/uploads/1/3/0/6/130620326/lavafimovewu-pugumesazake.pdf
    • http://ogangii.com/uploads/1/3/0/6/130621203/bozoxuzelosizepinuli.pdf
    • http://solarscrappers.com/uploads/1/3/0/2/130291585/b916a23.pdf
    • http://bodyforbeing.com/uploads/1/3/0/4/130488295/134f8e.pdf
    • http://noosalittlecove.com/uploads/1/3/0/3/130313306/vakej_nanevuwor_tawoxav.pdf
    • http://littlehernaiz.com/uploads/1/3/0/6/130620603/dojotafidadutoma.pdf
    • http://bayareaboatandhomeloans.com/uploads/1/3/0/5/130550818/4565526.pdf
    • http://totachi-fs.com/uploads/2020/01/28/zimuvotonukis.pdf
    • http://club8inch.com/uploads/1/3/0/3/130312924/vewag.pdf
    • http://coffeeatyouroffice.com/uploads/1/3/0/6/130604045/130604045.html#brawler+skills+tera+guide

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000014f7.bin
9b102462cd5db35b0d35fbf9b07cef24dd39357596ee84ea15c19a82bb4aacc1		 pdf-font-stream PDF embedded font (sfnt) at offset 0x14F7 8212 bytes

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