MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains multiple embedded links, with one specifically identified as a malicious redirector. The document body, though heavily obfuscated, contains the URL 'https://ttraff.com/pify?keyword=pubg+mobile+wallpaper+4k+for+android', which is also flagged as a malicious redirector. The presence of a 'download button' lure further supports the malicious intent of directing users to external, potentially harmful content.
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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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.com/pify?keyword=pubg+mobile+wallpaper+4k+for+android In PDF document text
- http://files.buildingmentalhealth.net/uploads/1/3/0/7/130776611/9c7aa9.pdfIn PDF document text
- http://witedeku.shopkaiapapaya.com/uploads/1/3/1/1/131163599/larowaw-wajima-wipavezipepow.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/1/0440/6630/8246/files/nulej.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/5316/1367/files/nupedopiwon.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5860/9817/files/xenumipitugameva.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3936/7061/files/mods_da_era_do_futuro.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/8291/4723/files/bobcat_853_specifications.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/6671/0433/files/coordinate_geometry_9th_class.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/tikifulodu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/7400/9753/files/19936174423.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6401/6539/files/saxorexonadawomovobipuvuv.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/5358/0441/files/sazafavobozezez.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/0637/6611/files/acs_study_guide_organic_chemistry.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6761/3087/files/how_to_master_ccnp_switch.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/7007/8617/files/frecuencia_cardiaca_perros.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/2802/8312/files/zedexu.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_off00005a5d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5A5D | 5372 bytes |
SHA-256: 520bdc43c6d4eee2140ecacc41afc987ff87917a8a53748518b2b9ecb1bbd365 |
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font_01_sfnt_off00006c8a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6C8A | 10012 bytes |
SHA-256: 8ef244c483988e026e23a40ceb80ed32d9912696883f87dd5b37bca8ab024eb2 |
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font_02_sfnt_off00008eeb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8EEB | 4324 bytes |
SHA-256: b50a2106bf82917db0cd3cf88f63c5e8cc3298b343ace5cffc591b35df33d24c |
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