Malicious PDF — malware analysis report

Static analysis result for SHA-256 ad988f456dea6ea7…

MALICIOUS

PDF

34.4 KB Authoring application: SWFTools First seen: 2020-09-24
MD5: 6736e8cfb557c42f96fa1ef5ada8a2f2 SHA-1: f724ccb459c1c03c5c3c86744c6b5f2e46464732 SHA-256: ad988f456dea6ea76efc3f49df80c0a420087f657e92d67f8f93be1c3f4e4768
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains a large number of embedded links to external PDF files, as indicated by the PDF_SEO_LINK_FARM heuristic. This technique is commonly used for SEO poisoning or to direct users to malicious content. The ClamAV detection also flags this as a phishing-related threat. The embedded URLs are the primary indicators of compromise.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9999

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://gewafunak.meitav-shuvu.org/uploads/2020/01/28/9120854.pdf In PDF document text
    • http://bimov.individ.me/uploads/2020/01/27/resax.pdfIn PDF document text
    • http://vipiski-online20.icu/uploads/2020/01/28/nujiluzo.pdfIn PDF document text
    • https://vorijedive.weebly.com/uploads/1/3/0/5/130547999/bad29.pdfIn PDF document text
    • http://how2save.ru/uploads/2020/01/27/fikebaluloxir.pdfIn PDF document text
    • https://zarapugu.weebly.com/uploads/1/3/0/2/130289222/dafazevivujajirotav.pdfIn PDF document text
    • http://dokafupor.worldtraveltrip.com/uploads/2020/01/28/givuleleb_kutobaf.pdfIn PDF document text
    • http://lorepa.garden-centr.ru/uploads/2020/01/27/wosanilukodab.pdfIn PDF document text
    • http://zajajajama.osteosys.org/uploads/2020/01/27/3341484.pdfIn PDF document text
    • http://zowe.fluger.icu/uploads/2020/01/28/2800417.pdfIn PDF document text
    • http://naliw.topmanicure.ru/uploads/2020/01/28/vumuz.pdfIn PDF document text
    • https://morarafaf.weebly.com/uploads/1/3/0/5/130590224/130590224.html#autocad+2d+house+plan+in+hindiIn PDF document text

Related samples 5

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

Full JSON: related samples API

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00001241.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1241 7820 bytes
SHA-256: 9bab9b8317ca83968b7d6269b8edbd3070fc44ea93755c16af13b3b55ae6952e

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