Malicious PDF — malware analysis report

Static analysis result for SHA-256 869210763e0d719e…

MALICIOUS

PDF

39.8 KB Authoring application: Scribus First seen: 2020-09-24
MD5: 6e892ef7d6fc45325eb8eaa72b4aa409 SHA-1: 3e58bd5929aea5163bac6b01ce6716072899ed9a SHA-256: 869210763e0d719ef3a09ced190cce60056424fdb0942f9048bf3de33e3fd7b8
192 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of links to external PDF files hosted on various domains, indicating a link farm or SEO spamming operation. The ClamAV detection and ML classifier strongly suggest malicious intent, likely to distribute further malware or phishing content. No scripts were extracted, but the embedded URLs are the primary indicators of malicious activity.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 4

  • 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.
  • PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINK
    PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
  • 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://ghz.one/uploads/1/3/0/5/130588343/geritokazezive-zozogunakakopi.pdf In PDF document text
    • http://trixiekitty.com/uploads/1/3/0/3/130379411/dulemewa.pdfIn PDF document text
    • http://culturallyresponsivesustainedteaching.com/uploads/1/3/0/3/130379231/d5e9ddd0ad413.pdfIn PDF document text
    • http://rosshousemuseum.ca/uploads/1/3/0/5/130588357/6fa364a0.pdfIn PDF document text
    • http://mysteretro.com/uploads/1/3/0/6/130603753/kajoxisuw-melapinebag-gokabo-sebinadifu.pdfIn PDF document text
    • http://animalmatters.com.au/uploads/1/3/0/5/130539227/9685939.pdfIn PDF document text
    • http://gametimeranch.com/uploads/1/3/0/4/130436078/jejenatorojilubowaxe.pdfIn PDF document text
    • http://northwestembroidery.net/uploads/1/3/0/5/130550914/9404397.pdfIn PDF document text
    • http://realfoodinitiatives.com/uploads/1/3/0/3/130313093/8f80cf329fae.pdfIn PDF document text
    • http://rockpraxis.com/uploads/1/3/0/6/130621719/1093477.pdfIn PDF document text
    • http://nonetitle.com/uploads/1/3/0/5/130543262/2616505.pdfIn PDF document text
    • http://desatascosbadalona.net/uploads/1/3/0/5/130551089/bd3bae97b.pdfIn PDF document text
    • http://67xq3.salon225.com/uploads/1/3/0/6/130603874/130603874.html#activated+charcoal+for+drinking+water+filterIn PDF document text
🗂 Part of campaign: animalmatters.com.au 3 samples

Related samples 8

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_off00004242.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4242 8536 bytes
SHA-256: 76fd16a8d831f57a9ac9540f9f8b3493ecbb8dfac371ebf4cf65885e707d33a6

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