Malicious PDF — malware analysis report

Static analysis result for SHA-256 e8df44e559347e66…

MALICIOUS

PDF

34.2 KB Authoring application: QPDF
MD5: 5b6d10a65408b0b7309fd79a6de70e86 SHA-1: 96de5742494050df393e91ddd90762783458a16a SHA-256: e8df44e559347e662b38f73ce3ec69a9686c47c24d37fa84e8c16c779ae66a78
120 Risk Score

Malware Insights

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

The PDF contains a large number of external links, a technique commonly used in SEO poisoning attacks to drive traffic to malicious sites. The ClamAV detection as 'Pdf.Phishing.TtraffRobotInstall' further supports this. No scripts were extracted, and the document body was unreadable, but the link farm strongly indicates a phishing or malware distribution campaign.

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://thefairbankagency.com/uploads/1/3/0/6/130620280/gefidibe.pdf
    • http://bitbreakers.com/uploads/1/3/0/7/130739983/sumufo.pdf
    • http://coragraphicdesign.com/uploads/1/3/0/2/130289002/labajifasonuj-roxonazubebil.pdf
    • http://6foot7dave.com/uploads/1/3/0/2/130288939/a72c481c2b.pdf
    • http://originalpancakehousesavannah.com/uploads/1/3/0/6/130639651/5a289e30e648436.pdf
    • http://mrsmorones.com/uploads/1/3/0/2/130291662/d24da9f09.pdf
    • http://carlsbadcleaningservices.com/uploads/1/3/0/5/130588554/209d3e171fa0.pdf
    • http://www.saratogaexit15.com/uploads/1/3/0/5/130551338/7140094.pdf
    • http://yogaandtherapy.com/uploads/1/3/0/4/130483469/senarekagevesulokaso.pdf
    • http://www.thebondbible.co.uk/uploads/1/3/0/5/130589227/2397061.pdf
    • http://www.scottsdalebusinessdirectory.net/uploads/1/3/0/5/130541662/sazajizotapevov.pdf
    • http://desireesawyer.com/uploads/1/3/0/7/130740141/0cec9d2a22d.pdf
    • http://bernardobellostudio.com/uploads/1/3/0/6/130620985/midumesatujivos.pdf
    • http://blvd420.com/uploads/1/3/0/7/130738596/nabuwiwusozunuw.pdf
    • http://a1503138xstreamtravel.xsideas.com/uploads/1/3/0/6/130605332/130605332.html#difference+between+hinduism+and+confucianism
    • http://6foot7dave.com/uploads/1/3/0/2/130288939/a72c481c2b

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00002c6e.bin
c632028ffb4f0da038030eb5806120662387de02252b71b2234830d7cd38c5ed		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C6E 7548 bytes

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