PDF malware analysis — malicious · 42516398d4f84e4f

MALICIOUS

PDF

44.3 KB Created: 2020-10-21 10:24:32 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-15

MD5: be8cf9360d26cacfb588815f2bd135a6 SHA-1: ea42c0e4149ba8c8b89e960fb8e10cd1b7c92342 SHA-256: 42516398d4f84e4f78f34be85f695d794753693d3aedaf070f4c98870226de89

194 Risk Score

Machine Learning

Nyx PDF Classifier malicious score 1.0000

Heuristics 5

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.
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.
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.club/123?keyword=administra%25C3%25A7%25C3%25A3o+estrat%25C3%25A9gica+conceitos+wright+pdf In PDF document text
- https://cdn-cms.f-static.net/uploads/4370533/normal_5f8b9e69abe3f.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4389107/normal_5f8ddb20b3272.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4365553/normal_5f87b65f51ea7.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4382773/normal_5f8f5adce00ef.pdfIn PDF document text
- https://kokexofagisukop.weebly.com/uploads/1/3/2/7/132710589/xosobaku_wujunawik_tokeberu.pdfIn PDF document text
- https://zozilevijuni.weebly.com/uploads/1/3/1/3/131383476/1286863.pdfIn PDF document text
- https://lerelapukuvi.weebly.com/uploads/1/3/0/7/130740054/1490928.pdfIn PDF document text
- https://mogilifus.weebly.com/uploads/1/3/0/7/130739831/4102594.pdfIn PDF document text
- https://zotorakiv.weebly.com/uploads/1/3/0/7/130739478/2316966.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://cdn.shopify.com/s/files/1/0463/0691/8557/files/54630347937.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/6035/3429/files/evil_eye_plus_apk.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/3551/6318/files/jekitosebezuzagapelas.pdfIn PDF document text
- https://s3.amazonaws.com/subud/enfoque_psicosocial_terapia_ocupacional.pdfIn PDF document text
- https://s3.amazonaws.com/zuxadol/73809099773.pdfIn PDF document text
- https://s3.amazonaws.com/fasanag/cambridge_primary_science_activity_book_2.pdfIn PDF document text
- https://s3.amazonaws.com/gupuso/89382488616.pdfIn PDF document text
- https://s3.amazonaws.com/jamokaroxoj/78812881056.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0485/9920/4000/files/78559006106.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0489/3016/0824/files/xoxapotizuxixotugarubu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0496/4797/6611/files/summoners_war_lapis_runes_reddit.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0482/4606/3258/files/15402211887.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0491/9545/0534/files/26003340759.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9737/5388/files/worerazo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0505/7996/4072/files/fiselawilapijinofuzur.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0483/3253/8009/files/student_cv_format_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0500/4791/0052/files/daxuvovanilalugetezusev.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_off00006432.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6432	6260 bytes
SHA-256: `7667fd4ed8ea329824c3156c6fcabe173521f2e8b52ec0a8727a036256c8271d`
`font_01_sfnt_off0000783f.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x783F	13560 bytes
SHA-256: `0bec80ee87262fcc2a398ef42a3cbbf6c4b5992bf897e9b874f495698a676fb8`

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