MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous links, including one pointing to a known malicious redirector (ttraff.link). The document body, though heavily obfuscated, contains text related to geometric shapes and the malicious URL, suggesting a lure for phishing or a scam. The ML classifier strongly indicated maliciousness, and the presence of a link farm reinforces the malicious intent.
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.link/wix?keyword=alturas+de+un+triangulo+equilatero 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/a298ce_ea1445e6cfcf4ffeb51c2d208fde2534.pdfIn PDF document text
- https://static.usrfiles.com/ugd/b8c837_3ba1575a95e042ae8e625d3dd533067c.pdfIn PDF document text
- https://static.usrfiles.com/ugd/b8c837_84925f555f054e87bcf7bacf60537fb1.pdfIn PDF document text
- https://static.usrfiles.com/ugd/912de2_807f48bcd3f34d329105a010aa5eb14f.pdfIn PDF document text
- https://static.usrfiles.com/ugd/b8c837_675826b6c0e14a5c887689b8dad0a5f5.pdfIn PDF document text
- https://static.usrfiles.com/ugd/98e298_235f06f8ecf746d8aa0344bc6e5f85fc.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/4865/7318/files/wovugijev.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5417/8216/files/tetorik.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0441/0051/8040/files/xobotonalimilupebebedozop.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/8038/3653/files/jexarapag.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/3443/4969/files/79414436690.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/1500/4582/files/site_reliability_engineering_o_reilly.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/0706/4734/files/jquery_ajax_tutorial.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/1042/4985/files/jironivuzamepewidijelok.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/7841/0655/files/kesukusugapelenekewiboj.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
- https://savannah.gnu.org/projects/freefont/In PDF document text
- http://www.gnu.org/licenses/In PDF document text
- http://www.gnu.org/copyleft/gpl.htmlIn 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_off000067e8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x67E8 | 6440 bytes |
SHA-256: edf517a561ed5132c6c1d5718ac6ff9d870a00e6f43a91762fd168a2279cca75 |
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font_01_sfnt_off000077de.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x77DE | 5108 bytes |
SHA-256: 9f1a2e1dd3449a5d7328d6bcd5099d333cd4750e28cd2e329afa14d8438a6514 |
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font_02_sfnt_off00008935.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8935 | 11364 bytes |
SHA-256: af00ced304df664b5ebfffd990c7f9700ad8741badfee8a5bd3b22387c217bf3 |
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font_03_sfnt_off0000ae6a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAE6A | 16088 bytes |
SHA-256: 3c1c7bd747a9a8f6e1c531457064e9378d9a893e5271ac7381d9d0015290d8f4 |
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