MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains multiple heuristics indicating malicious intent, including a critical finding of a PDF redirector link pointing to ttraff.cc. It also features a PDF link farm, suggesting an attempt to manipulate search engine results or distribute content broadly. The presence of a visual download button lure further supports the malicious intent of directing users to external, potentially harmful, content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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.cc/pify?keyword=amu+entrance+exam+papers+pdf In PDF document text
- http://files.etherealtoneworks.com/uploads/1/3/1/3/131379060/widebu.pdfIn PDF document text
- http://files.bostonbollywood.com/uploads/1/3/1/6/131636866/5805888.pdfIn PDF document text
- http://files.evergreenmeditations.org/uploads/1/3/0/8/130814286/gilazis.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://fedorahosted.org/lohitIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/5358/0437/files/nuleludibuxe.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/2351/6323/files/51890170275.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/89965927340.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2977/3981/files/kuselibeginasaruxemaxuni.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/5272/0543/files/kurujupusoxo.pdfIn PDF document text
- https://nonepagok.files.wordpress.com/2020/07/89865290219.pdfIn PDF document text
- https://kuretimi.files.wordpress.com/2020/07/gatazuvitusaberadugomam.pdfIn PDF document text
- https://nitapid.files.wordpress.com/2020/06/jomufed.pdfIn PDF document text
- https://gigeseberi.files.wordpress.com/2020/07/gipep.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/metegemekipezafekude.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/5876/4696/files/bopilesumiwiko.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/84407481133.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/datufezon.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/9770/2046/files/gujisi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5842/9089/files/jikomerur.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/1251/4201/files/50510775113.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4535/5674/files/36790974936.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9119/8112/files/kidevadubo.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 5
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000085c6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x85C6 | 5052 bytes |
SHA-256: 01185ff5430c76a5e41c3b7c7f3be9f632955dd0abdb71836574aed27210f8bb |
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font_01_sfnt_off000096c6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x96C6 | 5648 bytes |
SHA-256: 5c142e21529c3008cd9965c43e0f8c5d3dc883d3fc94227741b9e95ea3527861 |
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font_02_sfnt_off0000a685.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA685 | 10480 bytes |
SHA-256: e2d0132d424b74559931c61a6e20b8a9f8a5c486c404ffccba978cb4920a4152 |
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font_03_sfnt_off0000ca47.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCA47 | 16224 bytes |
SHA-256: 7a7e0f9cb89785dee93ecfbcc78ef93b5a18a5022886c2d5a0bf15d9412c15a0 |
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font_04_sfnt_off0000dfcf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDFCF | 2708 bytes |
SHA-256: fbd9b62fca5677e227a49b0109ebbdc5cd30f056f4f536da71373314cb9c5343 |
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