PDF malware analysis — malicious · 6772b1fefd8ac478

MALICIOUS

PDF

32.0 KB Created: 2020-11-03 16:13:26 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 85744796a9378261715c3171427a5d6e SHA-1: 620c90a356096d0a4a0773fe6e4277c7f558d74a SHA-256: 6772b1fefd8ac4783c31eef3ce7fb5269feefd42f700e5e87e012ed9dc7a9143

92 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains a link that redirects to known malicious infrastructure, as indicated by the PDF_MALICIOUS_REDIRECTOR_LINK heuristic. The document body, though heavily obfuscated, contains the URL and a lure related to "football games". The ML classifier also strongly flagged this PDF as malicious. The primary attack vector is likely spearphishing attachment, leading the user to click the malicious link.

Machine Learning

Nyx PDF Classifier malicious score 0.9996

Heuristics 2

PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK

PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than 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 https://gettraff.ru/strik?keyword=unblocked+football+games+axis
- https://cdn-cms.f-static.net/uploads/4386834/normal_5f941b87aa7b2.pdf
- https://cdn-cms.f-static.net/uploads/4382197/normal_5f8c0d4a2c8e9.pdf
- https://cdn-cms.f-static.net/uploads/4374521/normal_5f941b9531f5d.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://s3.amazonaws.com/pazifetanegapu/the_beginner_s_bible_timeless_children_s_stories.pdf
- https://s3.amazonaws.com/zonebon/45599427670.pdf
- https://s3.amazonaws.com/zetare/13532444985.pdf
- https://s3.amazonaws.com/penefelomiju/long_run_supply_curve.pdf
- https://s3.amazonaws.com/jotizifime/hernia_inguinalis_lateralis_adalah.pdf
- https://s3.amazonaws.com/samopakamefap/apowersoft_online_editor_review.pdf
- https://s3.amazonaws.com/wexukufedepim/words_with_ageel.pdf
- https://s3.amazonaws.com/tinajabizoreguf/libro_vejigantes.pdf
- https://s3.amazonaws.com/vixuwogetiv/80286862826.pdf
- https://s3.amazonaws.com/pizexopenaxu/dark_cut_4.pdf
- https://s3.amazonaws.com/fulosobezur/97002322031.pdf
- https://s3.amazonaws.com/dalava/pofedugegizababez.pdf
- https://s3.amazonaws.com/fojaxexino/cancer_de_colo_do_tero.pdf
- http://scripts.sil.org/OFL

Extracted artifacts 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off000064b6.bin` `7ccad8064d99c412d852a0f736e63e879af0684505d30ad39db5e00457745b07`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x64B6	5296 bytes

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