Malicious PDF — malware analysis report

Static analysis result for SHA-256 6c49877837805e36…

MALICIOUS

PDF

48.1 KB Authoring application: SWFTools First seen: 2020-09-24
MD5: 25a4c2fe669a4f18c52d5c2a80655aae SHA-1: 585e7ffe6c0a478480a276ed0ee442ddc518d14a SHA-256: 6c49877837805e3642f4c1c8812db1308feb9b89c416de0c98395ca2864f6e44
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains a large number of embedded external links, as indicated by the PDF_SEO_LINK_FARM heuristic. The ClamAV detection and ML classifier also strongly suggest malicious intent. The embedded URLs likely lead to further malicious content or phishing pages, and the document body's garbled text does not provide clear instructions but hints at a lure. No scripts were extracted from this sample.

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://stm233.com/uploads/1/3/0/3/130379342/kejupifijor.pdf In PDF document text
    • http://talaldaoud.com/uploads/1/3/0/5/130550847/tivevefekemizan.pdfIn PDF document text
    • http://akihiroyasui.com/uploads/1/3/0/6/130605120/49c0ab4b4.pdfIn PDF document text
    • http://apkzebra.com/uploads/1/3/0/6/130603728/9737935.pdfIn PDF document text
    • http://kx3financial.com/uploads/1/3/0/4/130436451/jizozorowagip.pdfIn PDF document text
    • http://ecogourmande.com/uploads/1/3/0/6/130639636/juleki.pdfIn PDF document text
    • http://boisevalleytreetrimming.com/uploads/1/3/0/6/130621613/mavevebe.pdfIn PDF document text
    • http://advancedspeedtechnologies.com/uploads/1/3/0/4/130436236/2b4bc3.pdfIn PDF document text
    • http://adoptme.info/uploads/1/3/0/2/130291783/130291783.html#believe+eminem+songIn PDF document text
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Related samples 8

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

Full JSON: related samples API

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000118c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x118C 9180 bytes
SHA-256: f147700f12b2de6f6f2523831672c4986510b7e2bb14e622e355ae2178e1c0b0
font_01_sfnt_off00006c4c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6C4C 16228 bytes
SHA-256: 378288d3133907284a1dd708aec606fa45674349f7e67e9eaedc79a8f6af9139
font_02_sfnt_off00008141.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8141 1948 bytes
SHA-256: 82790b4c0df171071a627e5a556edd51d5736eb1e56c0e306af724931cb9ba32

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