MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a heuristic firing for a malicious redirector link, specifically pointing to 'https://ttraff.com/wix?keyword=christmas+card+ii+font+free'. This indicates a phishing attempt where the document masquerades as a free font download to trick users into visiting a malicious site. The document also contains a large number of embedded URLs, many pointing to static.usrfiles.com, suggesting a link farm or SEO poisoning tactic to improve search engine visibility for the malicious lure.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 5
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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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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/wix?keyword=christmas+card+ii+font+free In 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/5e8de6_614dffb66b85406bae53e5c2f0e0bb42.pdfIn PDF document text
- https://static.usrfiles.com/ugd/efb3f0_924756f148df4ae4ae10c769bf426509.pdfIn PDF document text
- https://static.usrfiles.com/ugd/b8c837_85251ad486794e26b62a980bd3aacaf1.pdfIn PDF document text
- https://static.usrfiles.com/ugd/d9d1f5_e18c2ad4f8b34164a7b5a2f369d19ae8.pdfIn PDF document text
- https://static.usrfiles.com/ugd/99a8f2_0ad5d42be01446cf9c3c02de87687947.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/9994/5112/files/63508261307.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0466/7808/1701/files/jenotabukazakumunavatulux.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/1850/0765/files/expedient_homemade_firearms_vol_2.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/3588/5721/files/saunders_nclex_study_guide.pdfIn PDF document text
- https://static.usrfiles.com/ugd/b8c837_b5cb405eec374da292893a431cdc0498.pdfIn PDF document text
- https://static.usrfiles.com/ugd/e02969_93f38ca6d8464a9c8727c0550c65fdbf.pdfIn PDF document text
- https://static.usrfiles.com/ugd/4c76bf_61748fab206f46bdbf03ef6792174ac2.pdfIn PDF document text
- https://static.usrfiles.com/ugd/a382ee_230d5574756d4947b3bc25afe229a115.pdfIn PDF document text
- https://static.usrfiles.com/ugd/917232_37b70e275d40403c9bffe07767dcd61c.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_off000071c0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x71C0 | 5132 bytes |
SHA-256: 8855382361ffbb19adb1faec000283a330d3147b7d95231264f032d26cae5d85 |
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font_01_sfnt_off000082f4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x82F4 | 2132 bytes |
SHA-256: 63e783c03da57879afb775159473c506eb962ef38e1d93fd37c9511de6b0a0ad |
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font_02_sfnt_off00008cb1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8CB1 | 16436 bytes |
SHA-256: f3af67f47f438167f71e939b879be590e2305a4c91d9b854820834b34e4d9f9e |
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font_03_sfnt_off0000bf77.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBF77 | 16312 bytes |
SHA-256: bf8f9ece8d9d74ce2d7a98a07ee1bb8f4056faf702b3b1702118181e85f1b939 |
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