MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded links, with one identified as a malicious redirector. The ML classifier also flagged this PDF with high confidence. The document body contains garbled text and what appears to be a URL, suggesting a lure to external content. The primary malicious URL identified is https://ttraff.ru/pify?keyword=cyrillic+on+android+tablet.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 5
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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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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=cyrillic+on+android+tablet In PDF document text
- http://files.truelight-photography.com/uploads/1/3/0/7/130776592/nivamajasutolowoj.pdfIn PDF document text
- http://masalas.razberrydazzles.com/uploads/1/3/1/0/131070872/tidimug.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/1/0434/8837/9032/files/mariah_carey_without_you_piano_sheet_music.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4028/4583/files/data_analysis_meaning_in_research.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/0833/4744/files/dire_maul_guide.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5670/1348/files/95328750168.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/0408/2851/files/41711162383.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9173/9295/files/30293876855.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5479/1832/files/anyo_ng_akademikong_pagsulat.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/6613/7507/files/26520254926.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/7004/4825/files/ableitungsregeln_mit_beispielen.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3606/5438/files/class_12_biology_project_on_diabetes.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0965/4436/files/cen-_tech_multimeter_manual.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3199/4280/files/84864600996.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/2627/6774/files/circulatory_system_of_frog.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/2679/0053/files/angeles_y_demonios_google_drive.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/8981/3909/files/ruwome.pdfIn PDF document text
- https://forums.androidcentral.com/showthread.php?t=196189&s=d880fcecc64f9a3cbbc80defbfe1623cIn 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
- https://forums.androidcentral.com/showthread.php?t=196189&s=d880fcecc64f9a3cbbc80defbfe1623cIn 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_off0000667e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x667E | 4904 bytes |
SHA-256: 08651fefeb39668c729928565601df019d0543a3a295792804a2cd1c96cad0c0 |
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font_01_sfnt_off0000772b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x772B | 10060 bytes |
SHA-256: 32141abb2b205995aad03465b829e49b95657fc1123df36cf5eab7ddaec0c399 |
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