Malicious PDF — malware analysis report

Static analysis result for SHA-256 7b1c9474f5ac3b90…

MALICIOUS

PDF

50.5 KB Authoring application: pdf-parser
MD5: 474ac575d23fc422c976ad699edb6190 SHA-1: 39dc4fa4451de409fedd63661584915880a51cbc SHA-256: 7b1c9474f5ac3b9000f11f94d1c30b43a5d227275738d0df1f33606c1062b0df
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded external links, identified by the PDF_SEO_LINK_FARM heuristic. ClamAV also detected this as Pdf.Phishing.TtraffRobotInstall-7605656-0, and an ML classifier flagged it with high confidence. The embedded URLs are likely used to distribute further malicious content or for SEO spamming.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9999

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://pylesbodyshop.com/uploads/1/3/0/5/130590467/4952388.pdf
    • http://lure.dogshops.online/uploads/2020/01/27/zeluda.pdf
    • http://mivaxa.vrkuzbass.online/uploads/2020/01/27/xobibukovu.pdf
    • http://rijaku.hidrografics.com/uploads/2020/01/28/93e2cb247087.pdf
    • https://nomaxegefatadu.weebly.com/uploads/1/3/0/5/130551004/6844871.pdf
    • http://kbsuppliers.com/uploads/1/3/0/5/130588289/4b968871f97.pdf
    • http://chaskyboompark.net/uploads/2020/01/27/5669af506.pdf
    • http://jagigogiw.maru.su/uploads/2020/01/28/wavasexijudo.pdf
    • http://greenwolfverticalfarm.com/uploads/1/3/0/5/130539768/130539768.html#sex+and+the+city+candace+bushnell+fr
    • http://dejavu.sourceforge.net
    • http://dejavu.sourceforge.net/wiki/index.php/License

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off00007147.bin
5d40430bfe5392aa4df3ba345fbedd2491aca98b07f0978279a9216dae6839ea		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x7147 21796 bytes
font_00_sfnt_off00001410.bin
ecbc85ebef4daa4b8bffeb40c36e5e0606e24821c265e11652ad3a0641fe8f43		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1410 10880 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.