MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a link farm and a malicious redirector, indicating an attempt to lead the user to a harmful website. The document body, though heavily obfuscated, contains the primary malicious URL. The presence of a 'download button' heuristic further supports the lure-based attack pattern. No scripts were extracted from this sample.
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.me/wix?keyword=free+sheet+music+klezmer+clarinet In 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://static.usrfiles.com/ugd/3e0cb9_2f082d32289045a1b71b6b08e3009195.pdfIn PDF document text
- https://static.usrfiles.com/ugd/c1615c_a205b4c97e0a491080b40ceb7c2e0e15.pdfIn PDF document text
- https://static.usrfiles.com/ugd/e3325f_670cf40d10414826853b40c8bbe488ff.pdfIn PDF document text
- https://static.usrfiles.com/ugd/ea2f88_1e48234895fd4d6e84b5878eb02f2001.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/6467/8817/files/83378203282.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/8158/1209/files/xusosuwakuxe.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0820/4708/files/40913735442.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0458/0540/4326/files/xerokerojamazirogimuxonu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/9199/8360/files/84154589748.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0450/6599/4392/files/keto_diet_guru_mann.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0470/6438/3656/files/police_report_search.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/0687/0183/files/45738402622.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/5481/6665/files/luvemarusiwodu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/5717/6986/files/english_spanish_idioms_dictionary.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/juzopuzenafososokazulu.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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000080db.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x80DB | 4880 bytes |
SHA-256: 85b8895663cd95bec18ef2d2680a32903d42b21ac741433ace50ad818c3f48b6 |
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font_01_sfnt_off00009147.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9147 | 10240 bytes |
SHA-256: f2f30720de9063c2f354c9fe975b25c4b08fe558be9adeec29f4c09b521d7818 |
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font_02_sfnt_off0000b48e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB48E | 16120 bytes |
SHA-256: 15a68420f1c377824b8c1fd571ac7c30556db1b4bc05006bf44ec3f6c6c83208 |
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font_03_sfnt_off0000c975.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC975 | 4324 bytes |
SHA-256: 1062cd8ddf90f4344fa193b395386d5669df1a952e5759311ca261a71931f361 |
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