Malicious PDF — malware analysis report

Static analysis result for SHA-256 6165f67269c90667…

MALICIOUS

PDF

75.8 KB Authoring application: Scribus First seen: 2020-09-24
MD5: 25ae693f71f9a61e05e9f1866e956f76 SHA-1: ca24bfdedb2a3252d2e3cd9c9b819294012d79b6 SHA-256: 6165f67269c90667c2e659ea88a385604f010e9b4edcc21a05c79d256d576f75
152 Risk Score

Malware Insights

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

The PDF contains a large number of embedded links to other PDF files, suggesting a link farm designed to distribute malicious content. The ClamAV detection and ML classifier strongly indicate malicious intent, likely related to phishing or malware distribution. The embedded URLs are the primary IOCs, pointing to potential second-stage payloads.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9995

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://autoimmuneguru.com/uploads/1/3/0/4/130483617/wakususajomif_wevokojute_sibol_nugiradevi.pdf In PDF document text
    • http://4444ever.com/uploads/1/3/0/6/130640048/7d632df3.pdfIn PDF document text
    • http://sophiesticated-travelstories.com/uploads/1/3/0/5/130588467/7924406.pdfIn PDF document text
    • http://hostmaster.themightiestever.com/uploads/1/3/0/8/130874668/rexosi.pdfIn PDF document text
    • http://theforexsquare.com/uploads/1/3/0/5/130544672/c548a7179a539.pdfIn PDF document text
    • http://manuelcastro.com/uploads/1/3/0/5/130589031/dawuluxebuxun.pdfIn PDF document text
    • http://retroproskc.com/uploads/1/3/0/7/130739747/3263266.pdfIn PDF document text
    • http://yoginigirl.net/uploads/1/3/0/6/130621950/8605510.pdfIn PDF document text
    • http://oppenheimerindustries.com/uploads/1/3/0/4/130483847/b4655148b6490.pdfIn PDF document text
    • http://www.njlidercoaching.com/uploads/1/3/0/5/130590420/1586959.pdfIn PDF document text
    • http://pressurecleanit.com/uploads/1/3/0/6/130605124/130605124.html#digestive+system+pdf+ncert+hindiIn PDF document text
    • http://fedorahosted.org/lohitIn 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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000099f6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x99F6 1388 bytes
SHA-256: 1723f1ced37cc89d69e30f3df6281c5e5fb8989544fd4587aa75b00c91af2fd0
font_01_sfnt_off0000a470.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xA470 18624 bytes
SHA-256: d4c3564283a8f7cbf68bba2d83095f7cc885030265d39cb03f30a0db6552c848
font_02_sfnt_off0000d68f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD68F 7308 bytes
SHA-256: 8f1038213af4b5e9d25259f4a16ec434e8b995d39210f91fb12e7e036c7e4012

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