PDF malware analysis — malicious · d3ef6ceadb984d9f

MALICIOUS

PDF

70.5 KB Created: 2020-11-03 01:20:39 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-21

MD5: c36c6a429015dde020d4d9672eefd30d SHA-1: 7a5feb73f7f63b2cd5e665d3bc60f6079eae7b67 SHA-256: d3ef6ceadb984d9f04ff034d78a3c3f23a59856d3d26751444683ed4153310fa

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://ggtraff.ru/123?keyword=hulu+mod+apk+2020 In PDF document text
- https://dopuxaponaxu.weebly.com/uploads/1/3/2/6/132695391/549386.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4372100/normal_5f8aa1fc7a613.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4420743/normal_5f9ebaeb425a3.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4415068/normal_5f96829ea66ad.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4388272/normal_5f9bdc6370cd7.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4372723/normal_5f9bed7ed4ade.pdfIn PDF document text
- https://dowamiwimeguv.weebly.com/uploads/1/3/0/7/130775936/tudolegijod.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4365607/normal_5f870bec297ec.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/3e7d1f01-fe25-48f0-b6d3-e40f9129f845/15741551262.pdfIn PDF document text
- https://s3.amazonaws.com/fasanag/71034239703.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/3995c9a6-9492-4630-b596-29f470afd441/the_division_survival_guide_19.pdfIn PDF document text
- https://s3.amazonaws.com/wutezigojuxi/69122725387.pdfIn PDF document text
- https://s3.amazonaws.com/tadovu/nuwelurinemu.pdfIn PDF document text
- https://s3.amazonaws.com/vutame/utah_races_freq.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/5f3dee54-91d3-49c1-9148-0add81d1ccd1/67393534787.pdfIn PDF document text
- https://s3.amazonaws.com/paropabaru/product_category_management.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/7ecd8d05-4d4a-4104-b963-67831f917acb/rufupasivubebod.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off0000c2f5.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xC2F5	5132 bytes
SHA-256: `c716dd5021ea3106f1616f8b8ef219d6cc27d4e89b1fae3c640ca05a3415d297`
`font_01_sfnt_off0000d455.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xD455	10336 bytes
SHA-256: `cf6a8dc55e0cd2de3615de1032a13b95509273805e0b4b200de032ff592bc22c`
`font_02_sfnt_off0000f77f.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xF77F	16144 bytes
SHA-256: `18f56b7fae04e07bc119a468ad323bdda099da77b0772854d1c47cc1f39b9f3b`

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