Malicious PDF — malware analysis report

Static analysis result for SHA-256 40ccc49d52cc9982…

MALICIOUS

PDF

32.6 KB Authoring application: PDFBox
MD5: 49e27a8eebcea552bc03fdb642f5321d SHA-1: c6788e440beb696acc67066661de54252d11cc51 SHA-256: 40ccc49d52cc9982873794efe54722985fe01e620375ceb9d84279e0e5b8fd15
120 Risk Score

Malware Insights

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

The PDF file exhibits a critical heuristic firing for PDF_SEO_LINK_FARM, indicating a mass of embedded external links. The ClamAV detection further supports its malicious nature, classifying it as Pdf.Phishing.TtraffRobotInstall. The embedded URLs are likely used to redirect users to phishing sites or download further malware. No scripts were extracted from this sample.

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://literaturepsychology.com/uploads/1/3/0/7/130740190/6434714.pdf
    • http://northshorepaintinginc.com/uploads/1/3/0/2/130287894/2250236.pdf
    • http://mirrorsofgodslove.org/uploads/1/3/0/2/130289662/3074904.pdf
    • http://brokenphone.com/uploads/1/3/0/8/130874148/nekaredafumuwat_kigaxap_vuzifusumodimoz.pdf
    • http://mail.foodforsenses.com/uploads/1/3/0/7/130739200/54fbb60cf1071.pdf
    • http://emilyranney.com/uploads/1/3/0/7/130775850/fd42c80d9.pdf
    • http://www.bestshape.me/uploads/1/3/0/5/130589078/guwogivodanig_lezogepofisedot_xukujubafozo.pdf
    • http://solutionequation.com/uploads/1/3/0/5/130588503/2482770.pdf
    • http://distribuidorapromedica.com/uploads/1/3/0/6/130622111/f4332f8255285.pdf
    • http://backroadcreations.com/uploads/1/3/0/5/130589338/062c49928a3d809.pdf
    • http://ambrymvolcano.com/uploads/1/3/0/3/130313169/2962987.pdf
    • http://missionalentrepreneur.com/uploads/1/3/0/7/130740537/getagemekaw.pdf
    • http://tsunamiwoman.com/uploads/1/3/0/6/130639545/66866fd.pdf
    • http://ciibackgrounds.com/uploads/1/3/0/8/130873738/vofop.pdf
    • http://euylil.bdgct.com/uploads/1/3/0/6/130621429/130621429.html#national+action+plan+on+amr

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000027b1.bin
91ba9480bac03e1035cd231f1787fc7e6c55842768c39b8084bc908f20c7b945		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27B1 7060 bytes

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