Malicious PDF — malware analysis report

Static analysis result for SHA-256 0bb9bff20baf70dc…

MALICIOUS

PDF

89.5 KB Authoring application: ImageMagick First seen: 2020-09-24
MD5: 9d916976f36d3ec1d836df96dc060d13 SHA-1: 46e652929e3f8b2037aeee7a4f5852455209691c SHA-256: 0bb9bff20baf70dc0f7f623092fe4e71dbeeb29727bd70e6b2c1c7586fb7ee4b
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded links to external PDF files hosted on various domains, indicative of a link farm or phishing campaign. The ClamAV detection as 'Pdf.Phishing.TtraffRobotInstall-7605656-0' and the ML classifier output further support its malicious nature. No scripts were extracted, but the sheer volume of outbound links suggests an attempt to direct users to malicious content or phishing sites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9967

Heuristics 3

  • ClamAV: Pdf.Phishing.TtraffRobotInstall-7605656-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.TtraffRobotInstall-7605656-0
  • 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.
  • 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://azyshopping.com/uploads/1/3/0/3/130323211/rakikefidugaf_gowuxejezu.pdf In PDF document text
    • http://skillassoundandvision.com/uploads/1/3/0/5/130551351/2131074.pdfIn PDF document text
    • http://battlecreekendo.com/uploads/1/3/0/6/130620651/fekilujuzufizo.pdfIn PDF document text
    • http://gowickedkettlecorn.com/uploads/1/3/0/5/130550697/602940c3400.pdfIn PDF document text
    • http://pigga.com/uploads/1/3/0/5/130550920/tomijirivet.pdfIn PDF document text
    • http://competetennismerchandise.co.uk/uploads/1/3/0/2/130270986/5226904.pdfIn PDF document text
    • http://speedytowingspares.co.za/uploads/1/3/0/4/130483125/30abd146135a8.pdfIn PDF document text
    • http://offsite.studio/uploads/1/3/0/5/130588388/teremorovodamo-jurivuze-dupuk-moropuxojib.pdfIn PDF document text
    • http://myhaydenisland.org/uploads/1/3/0/2/130287940/a589032a74.pdfIn PDF document text
    • http://maeganblakemore.com/uploads/1/3/0/8/130874329/8291832.pdfIn PDF document text
    • http://tawnellhobbs.com/uploads/1/3/0/3/130323794/4889072.pdfIn PDF document text
    • http://nancyyenshipleymd.com/uploads/1/3/0/7/130739416/wupan.pdfIn PDF document text
    • http://negociofuxion.com/uploads/1/3/0/7/130740212/wenurawi.pdfIn PDF document text
    • http://randakksstaging.com/uploads/1/3/0/8/130814430/5593448.pdfIn PDF document text
    • http://windswept.co.za/uploads/1/3/0/5/130588457/rujedigodir.pdfIn PDF document text
    • http://aestheticsofleadership.com/uploads/1/3/0/5/130551299/3458202.pdfIn PDF document text
    • http://emilysawamura.com/uploads/1/3/0/5/130588927/6303864.pdfIn PDF document text
    • http://808enterprises.net/uploads/1/3/0/6/130639450/judewilopikobog_libubumijanog_bujewijixabiru.pdfIn PDF document text
    • http://xc-kvhmz.butterfly520.com/uploads/1/3/0/5/130550832/jesededa.pdfIn PDF document text
    • http://ianosventures.com/uploads/1/3/0/2/130292179/bagesipun_nezud_pelamovul_vovusiduguko.pdfIn PDF document text
    • http://skinpigmentdisorders.com/uploads/1/3/0/2/130289662/8335210.pdfIn PDF document text
    • http://moniquewgyoga.com/uploads/1/3/0/5/130590482/bakuno-robug-livanofo.pdfIn PDF document text
    • http://lawyerliving.com/uploads/1/3/0/5/130589415/6878009.pdfIn PDF document text
    • http://agentlemansartwork.com/uploads/1/3/0/4/130477335/2637134.pdfIn PDF document text
    • http://suppy-taiwan.com/uploads/1/3/0/5/130589090/130589090.html#anandabazar+patrika+today+in+bengali+font+murshidabadIn PDF document text
    • http://fedorahosted.org/lohitIn PDF document text
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
    • https://savannah.gnu.org/projects/freefont/In PDF document text
    • http://www.gnu.org/licenses/In PDF document text
    • http://www.gnu.org/copyleft/gpl.htmlIn PDF document text

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000083a1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x83A1 16028 bytes
SHA-256: ca889182d22413b1a5b6446cd5d954c095bfc2c8b2fec1022b19199100617195
font_01_sfnt_off000097bc.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x97BC 1388 bytes
SHA-256: 1723f1ced37cc89d69e30f3df6281c5e5fb8989544fd4587aa75b00c91af2fd0
font_02_sfnt_off0000a3de.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xA3DE 35888 bytes
SHA-256: 3bbb9a799c40a2da4469ee5b8d8b603b204f5797e24e6558ee3ecdb4eb770a84
font_03_sfnt_off00010438.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10438 5740 bytes
SHA-256: 63d83a07e948a4a8b15b9c688697af74160c3511cecf8ebb7e0b84186e19b52d

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