MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a critical heuristic firing for a malicious redirector link, which is also present in the document body. The PDF also exhibits characteristics of a link farm, with numerous external links, many hosted on cdn.shopify.com. A low-severity heuristic indicates the presence of a visual download button lure. The primary malicious IOC is the redirector URL, which likely leads to further malicious 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.link/wix?keyword=uhc+texture+pack+1.14 In PDF document text
- http://files.bariatricsinc.com/uploads/1/3/1/8/131871433/3275605.pdfIn PDF document text
- http://rafun.pninax.com/uploads/1/3/1/4/131453960/jemivilefepurun_gutevikibaga.pdfIn 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/1/0476/7380/2918/files/tedasetegokedimijadu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/1516/6357/files/educational_psychology_articles.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/0386/1401/files/60836449749.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0508/2781/files/calculator_app_to_hide_pictures_on_android.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/5013/7760/files/refractive_surgery_book.pdfIn PDF document text
- https://98b5b958-6c32-401f-870c-a126b4470b75.filesusr.com/ugd/7d2910_77edb1ddca4c4e07847043c815d9d757.pdf?index=trueIn PDF document text
- https://74f35e68-9e45-48e7-890e-383d55587bc3.filesusr.com/ugd/f9fac6_3d3b9cab99e7442b8a840e92d7e0b47a.pdf?index=trueIn PDF document text
- https://cebd6053-2220-48fe-883b-c5d1cb96a0aa.filesusr.com/ugd/1df9ea_eb387cedb6c5484aab015e7d2a915e32.pdf?index=trueIn PDF document text
- https://ee7e8c3e-eead-4c86-ab2f-09e98bdc7625.filesusr.com/ugd/717a42_0daf8a2566434091a1bda67b32e087b3.pdf?index=trueIn PDF document text
- https://27c9debf-6303-42dc-99dc-4f7452d37fd9.filesusr.com/ugd/7e84b7_6986c56e97ea49baafa138c910b363ad.pdf?index=trueIn PDF document text
- https://b8d3893b-1a7c-41d7-b060-05dc0c7c2826.filesusr.com/ugd/fd9558_68563aee749345d6b77f70dc57a7eabc.pdf?index=trueIn PDF document text
- https://7966c5c8-6753-4d68-ac4b-aee0e8ac67f5.filesusr.com/ugd/f0f215_29137e3fa4a3462ba9ad2b5c8ae0e2b8.pdf?index=trueIn 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_off000076aa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x76AA | 5108 bytes |
SHA-256: e5fd9dc5885f412cf58424cdf70c22a4899a16546e0cae1474618170b09ba75b |
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font_01_sfnt_off0000881d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x881D | 10784 bytes |
SHA-256: 8e6f101de607c0966379dfcc1b8fb9ad946d6835e2733bf9b21fbc311912620a |
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font_02_sfnt_off0000ad3b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAD3B | 16448 bytes |
SHA-256: 9e4edf6a1157e5ab360bbe040d4a83d7f86ae60f6fa7bbedfc0f3423f6d29282 |
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