MALICIOUS
214
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 User Execution: Malicious Link
The PDF document is identified as a malicious redirector, likely a phishing lure. It contains an image-only screenshot designed to trick users into clicking a link. This link, https://ttraff.ru/pify?keyword=guia+ceneval+psicologia+contestada+pdf+gratis, leads to known malicious infrastructure. The document also contains a large number of embedded links to other PDFs hosted on Shopify, suggesting a link farm or SEO poisoning tactic to increase visibility.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 6
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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF 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.
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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall 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.
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Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINKPDF 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.
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Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LUREPDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 34 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe 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.
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Embedded URL info EMBEDDED_URLOne 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/pify?keyword=guia+ceneval+psicologia+contestada+pdf+gratis In PDF document text
- http://files.myoridefitness.com/uploads/1/3/2/6/132696111/nilegeb_junov_bufibax.pdfIn PDF document text
- http://files.familyconnectionscounseling.net/uploads/1/3/1/1/131163559/9901975.pdfIn PDF document text
- http://files.innerdolphinawakening.com/uploads/1/3/1/6/131606035/kumuvefajolen.pdfIn PDF document text
- http://files.metalgardenbeds.com/uploads/1/3/0/8/130873846/d12e8ad72351.pdfIn PDF document text
- http://files.teamdalbon.com/uploads/1/3/1/3/131380008/9813851.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://cdn.shopify.com/s/files/1/0432/0349/4043/files/75121510689.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/4433/8838/files/wolisinepevotofevinafuti.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/1060/5735/files/xotesijurozefuvok.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9437/6599/files/joxekududu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/4026/8711/files/fadamujiripejivulobaxe.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/6199/1841/files/9705132896.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7684/5728/files/vowakesakiresodapopa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/7395/4204/files/rewaxagamejolojujona.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/3463/2607/files/64910407612.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/5668/5468/files/64417377433.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7410/1160/files/nemorogapegegilom.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00004280.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4280 | 5296 bytes |
SHA-256: 98609e4a217e413b9e7a2d9977b3e1df85cd151960fb941146aaa60222b4aa41 |
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font_01_sfnt_off00005493.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5493 | 7820 bytes |
SHA-256: a0f3bed34655551000f2004a8854baddda1eefa9aecb4636c2a1b3ba0d1112ce |
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font_02_sfnt_off00006f1a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6F1A | 4324 bytes |
SHA-256: 1062cd8ddf90f4344fa193b395386d5669df1a952e5759311ca261a71931f361 |
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