PDF malware analysis — malicious · 4259635959520a30

MALICIOUS

PDF

39.7 KB Created: 2020-10-20 18:10:53 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-15

MD5: c1ea0d12dde2c341d46fec99761feb1c SHA-1: c4e3e8a5251dd05b9f28045803a5414d7d6541a3 SHA-256: 4259635959520a307fa6f712c766045680e46882f4efca7a211760dad1c9dbf5

134 Risk Score

Machine Learning

Nyx PDF Classifier malicious score 1.0000

Heuristics 4

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.
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.
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://ttraff.ru/123?keyword=transgo+4l80e+manual+shift+kit In PDF document text
- https://cdn-cms.f-static.net/uploads/4366395/normal_5f8c8679c7731.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4372980/normal_5f88fd66a3623.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4379217/normal_5f8ac34975ef3.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4369786/normal_5f8a3434c7b43.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4378852/normal_5f8c2c91b9964.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4367635/normal_5f8761413670b.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4369802/normal_5f8c1c672d474.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4385863/normal_5f8c886889984.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4365546/normal_5f871ce132531.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4385648/normal_5f8c573f5205a.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/tetazino/libosevututoloxoti.pdfIn PDF document text
- https://s3.amazonaws.com/kavitokolezub/texejume.pdfIn PDF document text
- https://s3.amazonaws.com/subud/zinum.pdfIn PDF document text
- https://s3.amazonaws.com/sugaguxagu/kujubipaveju.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/96d5a335-6bbd-4046-b70c-409e774be9d9/lepenepufipewolulawated.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/29670dd0-7def-4593-94f1-12f3ec122959/wotugezez.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/a3bfd013-537b-4e5c-9fde-e277a121cd9f/desakovebuja.pdfIn PDF document text
- https://s3.amazonaws.com/gupuso/92286494501.pdfIn PDF document text
- https://s3.amazonaws.com/henghuili-files2/ligavaloni.pdfIn PDF document text
- https://s3.amazonaws.com/leguvefu/12201614703.pdfIn PDF document text
- https://s3.amazonaws.com/mijedusovineti/gisesot.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_off00005c46.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x5C46	5620 bytes
SHA-256: `8a4297f3e4863b8a2047282e19b96adeb898d2a5107a58d72544372bb560e151`
`font_01_sfnt_off00006f32.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6F32	10160 bytes
SHA-256: `1eecc1789f295066679b9190b1c3fda1cf9b870a5ee4e4a3cde8e2f7b5965361`

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