Malicious PDF — malware analysis report

Static analysis result for SHA-256 756a088e9b9d426b…

MALICIOUS

PDF

43.5 KB Authoring application: OpenOffice Draw
MD5: 8669b06cba62321e1d0098973246cfa3 SHA-1: b87bc4d8283bc760abee2bcd99f14b16dab89f3d SHA-256: 756a088e9b9d426b874668741ae3e16886ea58f683e01f99683d21f9bacd164e
172 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of external links, many of which point to other PDF files, suggesting a link farm designed for SEO manipulation or to host malicious content. The 'SE_CALLBACK_LURE' heuristic indicates the document likely uses a pretext involving billing, refunds, or security issues to prompt user interaction, potentially leading to a phishing attempt. While no scripts were explicitly extracted, the presence of embedded URLs and the heuristic firings strongly suggest a malicious intent to redirect users to potentially harmful content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9996

Heuristics 4

  • 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
  • Callback phishing phone lure medium SE_CALLBACK_LURE
    Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
  • 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://desatascosgranollers.com/uploads/1/3/0/2/130289735/8861664.pdf
    • http://www.appalachianprayerknights.prayerknight.com/uploads/1/3/0/6/130621897/mamuzeluxo-mujokowodalinir.pdf
    • http://scmfevents.org/uploads/1/3/0/6/130639814/3cb7c05c9625.pdf
    • http://nicholslawpdx.com/uploads/1/3/0/5/130589444/5109963.pdf
    • http://hostmaster.awakeningtouch.ca/uploads/1/3/0/4/130476628/e9e1d524a.pdf
    • http://elev8catering.com/uploads/1/3/0/3/130379336/pajepeba-liwojip-bejozor.pdf
    • http://southenddiving.co.uk/uploads/1/3/0/4/130483680/rujevenesoguze.pdf
    • http://krispykleanautospa.com/uploads/1/3/0/5/130543588/xemolaba_wuniwoxuwemetu_pejesutoxiti.pdf
    • http://mkemotorsports.net/uploads/1/3/0/5/130590111/7646433.pdf
    • http://oatbardicschool.org/uploads/1/3/0/7/130739478/kefefuk.pdf
    • http://mpowerbuilding.ca/uploads/1/3/0/2/130273944/e269e0.pdf
    • http://k1smoghayward.com/uploads/1/3/0/7/130775164/701723d.pdf
    • http://minigypsyhorse.com/uploads/1/3/0/5/130541662/namojiw.pdf
    • http://travelcraftindia.com/uploads/1/3/0/8/130813667/suzolumuko_tavarawi.pdf
    • http://channelingthelight.com/uploads/1/3/0/7/130775306/4af71125affa0b.pdf
    • http://andreamingels.com/uploads/1/3/0/8/130874329/bomivekutukulinoju.pdf
    • http://tributetowomenmalaysia.com/uploads/1/3/0/5/130589998/9dc87958060e9.pdf
    • http://theprincipalentrepreneur.com/uploads/1/3/0/3/130379163/balaxe_zupipanile_mavakilufakup_lugom.pdf
    • http://18390621srn.com/uploads/1/3/0/2/130274145/7809581.pdf
    • http://bestofthemenu.com/uploads/1/3/0/5/130590363/cdb5664f8.pdf
    • http://michaelroll.net/uploads/1/3/0/6/130640133/xorodorir.pdf
    • http://nw4.me/uploads/1/3/0/3/130313176/dcbafdfa8c.pdf
    • http://espaces.cz/uploads/1/3/0/5/130589400/mowabisazux.pdf
    • http://kobeetech.com/uploads/1/3/0/8/130873918/9730677.pdf
    • http://74-123-76-231.mgwnet.com/uploads/1/3/0/8/130874034/130874034.html#full+adder+nor+gates
    • http://dejavu.sourceforge.net
    • http://dejavu.sourceforge.net/wiki/index.php/License

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00002df7.bin
5d5b4e4e2925caeeb6af5a586a5fb1ab5273178fc2af94946571e7cf67381e36		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2DF7 16272 bytes
font_01_sfnt_off0000463c.bin
32fa1a463be2faf76061a88e8a21aa4a4858771af92d36ccf5d8f9d8c7ae8bd6		 pdf-font-stream PDF embedded font (sfnt) at offset 0x463C 8172 bytes

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