PDF malware analysis — malicious · 6d37b85d376bf85c

MALICIOUS

PDF

44.9 KB Created: 2020-11-09 09:47:09 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-01-23

MD5: 46b8c9c121c0e313275349c10001d789 SHA-1: 4eae500dd1600808f480a8fd18ec6599cf45c7de SHA-256: 6d37b85d376bf85c27afb4555762ac49edaff86dc8c3b2be2d389f58e21d3643

76 Risk Score

Machine Learning

Nyx PDF Classifier malicious score 1.0000

Heuristics 4

Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK

PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
External URI info PDF_URI

PDF contains an external URL action
Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL

The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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://trafficel.ru/123?keyword=energy+vampires+pdf PDF link annotation
- https://cdn-cms.f-static.net/uploads/4365639/normal_5f8a927d31d54.pdfIn PDF document text
- https://zesopupejilit.weebly.com/uploads/1/3/0/7/130738861/jibag-divojesoxituman-bamage-sunisi.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4370263/normal_5f9b61e645917.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4367919/normal_5f8a9aced67e7.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/gateme/pexij.pdfIn PDF document text
- https://mugotunadaru.files.wordpress.com/2020/11/ffxiv_palace_of_the_dead_solo.pdfIn PDF document text
- https://s3.amazonaws.com/fedufiporara/golf_clash_club_stats_google_doc.pdfIn PDF document text
- https://s3.amazonaws.com/bepukuba/libertatea_de_exprimare.pdfIn PDF document text
- https://vupejiw.files.wordpress.com/2020/11/godawibamekematafiz.pdfIn PDF document text
- https://vevamujeteti.files.wordpress.com/2020/11/kiki_and_miu_miu.pdfIn PDF document text
- https://s3.amazonaws.com/towakog/goshen_local_schools_calendar.pdfIn PDF document text
- https://sedinewo.files.wordpress.com/2020/11/biopsychology_pinel_9th_edition_free.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://scripts.sil.org/OFLIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off00007075.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7075	5448 bytes
SHA-256: `5bacbc1c1d2debbfdebd5ab491de91788b9fac63fe0430dd27bbe94b55aea94a`
`font_01_sfnt_off000082fc.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x82FC	10580 bytes
SHA-256: `89e360662cc0164b1dbb27763c7f6eee1410f40c6fee7c69ea5cbe5ca275ff77`

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