MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains multiple heuristics indicating malicious redirector links and a link farm, suggesting a phishing or malware distribution attempt. The presence of a "download" button lure further supports this. The ML classifier strongly flagged this PDF as malicious. Although no scripts were explicitly extracted, the embedded URLs point to a deceptive download workflow.
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=aditya+hrudayam+in+sanskrit+pdf In PDF document text
- http://files.carpetcleaningsummerland.com/uploads/1/3/1/3/131383657/9684649.pdfIn PDF document text
- http://files.stettlercarclub.com/uploads/1/3/0/7/130738779/konoju.pdfIn PDF document text
- http://files.salsamama.org/uploads/1/3/0/8/130873830/lisetutakotufoxepis.pdfIn PDF document text
- http://files.irwinpta.org/uploads/1/3/0/9/130969089/parus_tigalutirexig.pdfIn PDF document text
- http://fedorahosted.org/lohitIn 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/1/0430/3552/5282/files/43319633029.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/4396/3548/files/suvelavapukitanabavogage.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/3205/1873/files/77275404831.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7870/4549/files/wanenodisagosanodetox.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/5811/9334/files/pafiwipavavaxamori.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/2294/8251/files/73871366704.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4817/3722/files/73594045162.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/5633/9861/files/37349692365.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/nalekubaserigudopen.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/7913/1551/files/29013659394.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6753/0655/files/10385129644.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/5306/3063/files/nowabanojameritafilibox.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://www.geocities.com/mitra_anirban/hobbies.htmGNUIn PDF document text
- http://www.gnu.org/copyleft/gpl.htmRegularIn PDF document text
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
stream_006_off0000e757.bin |
decompressed-pdf-stream | PDF FlateDecoded stream at offset 0xE757 | 20308 bytes |
SHA-256: bd764d64eb01bf103a1286dd09a623f17d083759ad2a7a50a80e308ef2b199f9 |
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font_00_sfnt_off00009b36.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9B36 | 5404 bytes |
SHA-256: 99133c960e0d457ba9c803538f7edde98b2d87942de3511180c12b40c75a6eb0 |
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font_01_sfnt_off0000ad73.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAD73 | 3772 bytes |
SHA-256: 4cd60777e265fafd80a6c4ac8a8f541642313e2b1c6670a3899fdf55b12f51bc |
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font_02_sfnt_off0000b918.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB918 | 14924 bytes |
SHA-256: d18acca691f853ac61841dafbe43393a3ff508f0f9da5b0e7457d50e7d408681 |
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