Malicious PDF — malware analysis report

Static analysis result for SHA-256 10d00ced9b65dfc1…

MALICIOUS

PDF

49.7 KB Authoring application: OpenOffice.org
MD5: 3ccfc26609370ca881aaef7da419ce2a SHA-1: 5f876a6af09bc2829f0e553e96d913ebf46707c8 SHA-256: 10d00ced9b65dfc12aff29e045f2b646d5573820ad45d445f342869b20ddd6ee
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a mass external link farm, with 31 links pointing to other PDFs, disguised as an offer for free Adobe Reader. The heuristic firings and numerous embedded URLs strongly suggest a phishing or scam campaign designed to redirect users to malicious content. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

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://calmongoods.com/uploads/1/3/0/5/130590589/nopujosewutivagisaj.pdf
    • http://meghanrivera.com/uploads/1/3/0/2/130289308/sadajilasumo.pdf
    • http://acc-guhotelandconferencecenter.com/uploads/1/3/0/6/130604653/9055d22.pdf
    • http://herbalcres.com/uploads/1/3/0/5/130543772/164ca23297.pdf
    • http://givevolunteers.org/uploads/1/3/0/5/130550838/bisabenobomo_jeniwoderikiso_jizijas_ximowisapina.pdf
    • http://www.weddingdj.events/uploads/1/3/0/3/130323697/4436659.pdf
    • http://ssouzaspainting.com/uploads/1/3/0/7/130739633/7294652.pdf
    • http://aleonor1to1.com/uploads/1/3/0/5/130588240/sevogidula.pdf
    • http://dichvuseowebsitehanoi.com/uploads/1/3/0/7/130775186/jugelavaxone.pdf
    • http://duckcreekgolf.com/uploads/1/3/0/5/130588640/7507662.pdf
    • http://alchemystejuice.com/uploads/1/3/0/8/130813524/6d20d56178.pdf
    • http://clinicademedicinafetal.com/uploads/1/3/0/4/130435766/zudadas.pdf
    • http://allgoodpeoplegotoheaven.org/uploads/1/3/0/5/130543239/wopugisemubado-tadem-tejugise.pdf
    • http://duchessleague.com/uploads/1/3/0/8/130873962/dfff73562ff5.pdf
    • http://beautmedical.com/uploads/1/3/0/7/130739627/wenus.pdf
    • http://gaiaservicesukltd.com/uploads/1/3/0/2/130270826/makaderad.pdf
    • http://www.patriciarenna.net/uploads/1/3/0/3/130323311/183939.pdf
    • http://peggyleavitt.com/uploads/1/3/0/7/130776126/gabozixa_badem_fenibixifebo_wowadesamumew.pdf
    • http://harrisonashtonphoto.com/uploads/1/3/0/7/130775232/5375517.pdf
    • http://mta-sts.theworldturnedupsidedown.com/uploads/1/3/0/4/130477613/nedolilaziso-mofepuden-fuwusunipagudep-sakimilaluda.pdf
    • http://host96.carmichaelnl.com/uploads/1/3/0/5/130550944/130550944.html#adobe+reader+free+download+trial+version
    • http://www.adobe.com/).Noto
    • http://www.google.com/get/noto/http://www.adobe.com/type/This
    • http://scripts.sil.org/OFLNoto
    • http://dejavu.sourceforge.net
    • http://dejavu.sourceforge.net/wiki/index.php/License

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00002ed9.bin
fd22af53f2844f775e2788e663f76d51cbd1f673c8a6c692d2e507cbfd993ddd
pdf-font-stream PDF embedded font (sfnt) at offset 0x2ED9 6544 bytes
font_01_sfnt_off0000435e.bin
d8fa1d180e0a505d0c2b16a5f695b88c8b58e4db502161fc5572c07a7daa196e
pdf-font-stream PDF embedded font (sfnt) at offset 0x435E 16488 bytes
font_02_sfnt_off00005d4e.bin
d1e1a309e6eea27feffe84f281ced429a953836ff29f2bfdc715ee867796042c
pdf-font-stream PDF embedded font (sfnt) at offset 0x5D4E 10308 bytes