MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains numerous embedded links, with a critical heuristic firing for a malicious redirector. The document body, though heavily obfuscated, contains text related to fonts and includes the primary malicious URL. The presence of a download button lure further supports the social engineering aspect of this attack. The file likely serves as a lure to redirect users to malicious sites.
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.link/wix?keyword=asterism+clean+font+free In PDF document text
- http://files.goodfaithfarmmd.com/uploads/1/3/1/0/131070911/vujijewuwukexegukug.pdfIn PDF document text
- http://ligewal.us-history.net/uploads/1/3/2/8/132814194/7578477.pdfIn PDF document text
- http://files.artisansbycj.com/uploads/1/3/0/8/130874154/5131921.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://static.usrfiles.com/ugd/234f58_9a0b6bca960c4269a983015aaf918b3b.pdfIn PDF document text
- https://static.usrfiles.com/ugd/b88e3d_1f15716d02f744ac8e773c37fae2f514.pdfIn PDF document text
- https://static.usrfiles.com/ugd/aff7ca_96c5cc5b49594eb1870d984b4dbfdabf.pdfIn PDF document text
- https://static.usrfiles.com/ugd/87d215_ae144de964f74562b5ad41dbef2cbec5.pdfIn PDF document text
- https://static.usrfiles.com/ugd/205ae4_f37e12799c4a40f087578a748923f18e.pdfIn PDF document text
- https://static.usrfiles.com/ugd/9ea91e_bf38532586514a91a2172091a0f7d3b9.pdfIn PDF document text
- https://static.usrfiles.com/ugd/7a11b0_62c839042c7a4b80919943cdad18e819.pdfIn PDF document text
- https://static.usrfiles.com/ugd/e73fea_20b3d48d2f8c4db5b5b6cbb73b1f1f19.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9573/6988/files/76684758855.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/3775/3493/files/80813057670.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/9593/2574/files/venepegadav.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/9802/9733/files/11649442674.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2384/2983/files/robe_of_the_archmagi_pathfinder.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00004f5c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4F5C | 5016 bytes |
SHA-256: 1f3994e6e93dbaf1018e5af9663ef73dfec30e175b5b57043b6d49067c11c722 |
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font_01_sfnt_off00006054.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6054 | 13704 bytes |
SHA-256: b074a6623f8f62d5826b1251dfd35552250de732ca12370504d9ecb5e148eaaa |
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font_02_sfnt_off00008cd5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8CD5 | 17412 bytes |
SHA-256: 6508a250cc05224a4ff8b1fb6a7987e1a1bb646675127c16c68468cac5cc3d73 |
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