Malicious PDF — malware analysis report

Static analysis result for SHA-256 42f8093667c244e4…

MALICIOUS

PDF

42.2 KB Authoring application: GIMP
MD5: 970467a1826f5af2e659522b6ef80b64 SHA-1: 77843761dc0b0c9b7d7662b2defdb13da72f4932 SHA-256: 42f8093667c244e4a7836c96034a2d708d5f5040a84cc762cb14f1fdbc46b6c0
140 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded URLs pointing to external PDF files, a technique often used for SEO manipulation or to distribute malicious content. ClamAV detected this file as Pdf.Phishing.TtraffRobotInstall-7605656-0, indicating a phishing or traffic redirection purpose. The document body also contains these URLs, reinforcing the lure. No scripts were extracted from this sample.

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
  • QR-code redirect lure medium SE_QR_LURE
    Document instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
  • 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://titarit.help-vk.ru/uploads/2020/01/28/pafolev.pdf
    • http://bulrushlandcare.com/uploads/1/3/0/2/130288514/karawoje.pdf
    • http://puppylovepetcarema.com/uploads/1/3/0/6/130604748/9216676.pdf
    • http://nazevi.fitnesscentrego.com/uploads/2020/01/28/95aff241338851.pdf
    • http://nothingtomillionaire.com/uploads/1/3/0/2/130292013/tusaxisekunubotesip.pdf
    • https://pitenerarod.weebly.com/uploads/1/3/0/4/130476152/5638048.pdf
    • http://ladeximok.picsonair.com/uploads/2020/01/29/musasibutifunuvenido.pdf
    • http://plumasarts.com/uploads/1/3/0/6/130621094/1319530.pdf
    • http://zsarchive.com/uploads/1/3/0/4/130489082/sawijekina-paburom.pdf
    • http://1001edrutherford.com/uploads/1/3/0/2/130289502/61936d1414c8a.pdf
    • http://johnnyryanmusic.com/uploads/1/3/0/6/130621897/zewuzazurijuta_bokibokiz_fivevotosi.pdf
    • http://mudtires.ca/uploads/1/3/0/6/130621264/zemijis_vagotu_jopor_ridinitirebo.pdf
    • http://creativelycandidphotos.com/uploads/1/3/0/4/130476076/2166857.pdf
    • http://podivul.coin-fishing.fun/uploads/2020/01/28/lekusapaxibawizajen.pdf
    • https://bigonerafi.weebly.com/uploads/1/3/0/4/130483232/zemexazipiw_falurixaj_kimujotuzowa.pdf
    • https://zafojewun.weebly.com/uploads/1/3/0/2/130289558/veravijejovetanedut.pdf
    • http://nediri.lioeleshop.ru/uploads/2020/01/27/sujosarora.pdf
    • http://ukerepublicukuleles.com/uploads/1/3/0/6/130620826/26da40b809e.pdf
    • http://karuxet.syriabay.com/uploads/2020/01/28/bokufak-ravada-kevetegidite-kozogilosajo.pdf
    • https://tuxowokupef.weebly.com/uploads/1/3/0/5/130589124/a3cf59.pdf
    • http://dytlowconstruction.com/uploads/1/3/0/4/130477064/vizixotijar_xafiteledib.pdf
    • https://mugeburusajo.weebly.com/uploads/1/3/0/4/130475892/varam-fefilasosisi-kiwedozuti.pdf
    • http://emeryplumbing.com/uploads/1/3/0/6/130604710/jupovimomotoluz_nivinimunero_fazel_paxezanu.pdf
    • http://robosail.org/uploads/1/3/0/2/130289369/sogudo_tilasesofiwiro_pizibu.pdf
    • http://negovanar.paypal-support-limitted.com/uploads/2020/01/28/fegajijizaj.pdf
    • http://greenwolfverticalfarm.com/uploads/1/3/0/5/130539676/130539676.html#hd+1080p+h2+power+bank+dvr+hidden+spy+camera+manual

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00001873.bin
3e02b096a89aa6c33a8a4523d10731336d8225d138ffdd8ef9e5937762c9b08d
pdf-font-stream PDF embedded font (sfnt) at offset 0x1873 8188 bytes
font_01_sfnt_off0000649f.bin
447c11f7ddfe6124b3219b28e7dc6aeffb4f164eb77334c83263b8193b15ca9f
pdf-font-stream PDF embedded font (sfnt) at offset 0x649F 4288 bytes