MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a critical heuristic firing for a malicious redirector link pointing to 'ttraff.com'. Additionally, it exhibits characteristics of a PDF link farm, with numerous embedded URLs, many hosted on 'static.usrfiles.com'. The document body, though heavily obfuscated, contains the same redirector URL and a link to a PDF on 'static.usrfiles.com', suggesting a lure to a malicious site. No scripts were extracted, but the presence of a malicious redirector and link farm indicates a phishing or redirection attack.
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=star+wars+imperial+guard+theme 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/a2ebd8_4b455363cd8e4312ad953bf4268fabc2.pdfIn PDF document text
- https://static.usrfiles.com/ugd/362633_f3a224a1fbeb4ff6a462c05923ab6925.pdfIn PDF document text
- https://static.usrfiles.com/ugd/963627_321cbd54799945d3bee07612c3684e64.pdfIn PDF document text
- https://static.usrfiles.com/ugd/353d00_39e8f33b34e54be2a80f1d98ea3a942d.pdfIn PDF document text
- https://static.usrfiles.com/ugd/d162e3_8b5d3acfea8940aa850c7a0420d72439.pdfIn PDF document text
- https://static.usrfiles.com/ugd/c1de29_b1e05842bf7e4a7bb166cf94f1feefd5.pdfIn PDF document text
- https://static.usrfiles.com/ugd/c068f8_cd2178063403452695158472511cc11e.pdfIn PDF document text
- https://static.usrfiles.com/ugd/b8c837_3b9e23b4b9934d2db19b0d21ea6496d7.pdfIn PDF document text
- https://static.usrfiles.com/ugd/913720_0149343e841c4101807ae5f314656718.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/1995/2550/files/42242231772.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/5170/3706/files/66922869277.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6880/8613/files/lososuwepajikubopujak.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3343/6071/files/vaxefexizum.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/0382/2755/files/pathophysiology_of_liver_disease.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/1520/8085/files/cardboard_pinhole_camera_template.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/rikujolam.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8865/0142/files/dipuzuparo.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_off00007af6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7AF6 | 2984 bytes |
SHA-256: 218615c96ca80467247facc766f9c2f2584948c92711c8aede41886f3cdaaaab |
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font_01_sfnt_off000085a5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x85A5 | 5568 bytes |
SHA-256: 912a8cbd8eaa2e80e38911837ac6b05d1d9a571fcb0a6fdbbfcedad082dc6aee |
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font_02_sfnt_off0000987c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x987C | 10928 bytes |
SHA-256: 5f6ef4c080d153622e5ae936471ebf5da6fe19f18e20b0d40766ced7cbd04fd4 |
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font_03_sfnt_off0000bcee.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBCEE | 16832 bytes |
SHA-256: b2262f5e888b589ea317d9f474487b27028cebd073fc4280985b145c3962df5e |
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