Malicious PDF — malware analysis report

Static analysis result for SHA-256 fcfaf65ad164400e…

MALICIOUS

PDF

40.5 KB Authoring application: Soda PDF
MD5: 912a5d283b96b0bc2aa52a3970d9ff4f SHA-1: 55a71d3e25bb89a8676890c9e38edc303ce4d16c SHA-256: fcfaf65ad164400e8f83bbf13fd11ff48dc828c4f074c1fc891145862c8e68fd
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains a large number of embedded external links, as detected by the PDF_SEO_LINK_FARM heuristic. These links point to various PDF files hosted on different domains, suggesting a link farm or redirection strategy. The ClamAV detection of 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports a malicious intent, likely related to phishing or malware distribution through these external links.

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://jonathansaurine.com/uploads/1/3/0/7/130739978/bavepowijuw.pdf
    • http://blazzinllc.com/uploads/1/3/0/5/130550995/7d648087f79e1.pdf
    • http://virtual-humans.com/uploads/1/3/0/2/130273624/b20e8ab13d71a.pdf
    • http://php-pds.net/uploads/1/3/0/7/130740012/413727.pdf
    • http://ugomicci.it/uploads/1/3/0/5/130550838/9cc01ad523e2.pdf
    • http://norgrenairregulators.com/uploads/1/3/0/8/130814007/buxibuveketofoxufur.pdf
    • http://travel-merit.com/uploads/1/3/0/4/130476104/8284956.pdf
    • http://www.deliveryoverloadgmail.com/uploads/1/3/0/7/130739074/41d70cfb5126.pdf
    • http://playtesters.org/uploads/1/3/0/4/130476721/9de2d4.pdf
    • http://minisheepadoodlepuppies.com/uploads/1/3/0/3/130313111/tipuzolaza-kuguxolabap-rujuwosonutag-fodedorekuz.pdf
    • http://mychinesesecret.com/uploads/1/3/0/7/130739519/nenizilatubimoka.pdf
    • http://thenewlyqualifiedteacher.com/uploads/1/3/0/2/130272571/zonagoberoku.pdf
    • http://brewerybooks.com/uploads/1/3/0/4/130483650/421c77f154e7f1a.pdf
    • http://t-vic.com/uploads/1/3/0/6/130620340/tapiwufidegawo_nutefapuxunol_vususalipu_senugaxasig.pdf
    • http://theclaycactus.co/uploads/1/3/0/6/130604279/jijerefinenupud-lojukonefi-wirokagu.pdf
    • http://27000grainsdecafe.ca/uploads/1/3/0/2/130271117/a4b7b54425d9ef9.pdf
    • http://northeastohiodukes.com/uploads/1/3/0/2/130289775/neteganu.pdf
    • http://kate-bishop.pleasingfood.com/uploads/1/3/0/4/130489162/130489162.html#acer+aspire+nitro+5+15.6+intel%C2%AE+coretm+i5-8250u
    • http://virtual-humans.com/uploads/1/3/0/2/130273624/b20e8ab13d71

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00003efc.bin
c41e81a1a2fb065ef233b6a798fa4d65fb298eee20bf82f6917859dc49f705d5		 pdf-font-stream PDF embedded font (sfnt) at offset 0x3EFC 8776 bytes

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