MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous links pointing to a redirector service (ttraff.cc), which is flagged as malicious. This indicates a phishing or scam attempt, likely using a 'free download' lure as suggested by the SEO link farm heuristic. The ML classifier strongly supports the malicious nature of this PDF.
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.cc/pify?keyword=barrera+hematoencefalica+pdf In PDF document text
- http://files.waterperryoperafestival.co.uk/uploads/1/3/1/4/131437685/551cd52a.pdfIn PDF document text
- http://files.equityallies.org/uploads/1/3/0/7/130740050/nukufalavupag-jamitavejux.pdfIn PDF document text
- http://files.icookyoudinner.com/uploads/1/3/1/3/131381706/fe51dc2.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/1/0437/5740/4318/files/52199346737.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0364/9954/files/52800128318.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/2461/2508/files/tokepewam.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/2910/0701/files/virenejimowewikero.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/9776/0668/files/zililutifevofuximufi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/7217/6796/files/55516341311.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5665/9621/files/9369583066.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8239/1451/files/nujaxatefubavamimejitux.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8146/6005/files/newilaxox.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/4215/9257/files/rovivedozituwupa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9201/7305/files/texuworupidutal.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/vuxopikuxoxixu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8245/7000/files/1942989525.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/8984/4631/files/satexopoxitilelaxav.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_off0000e600.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE600 | 5052 bytes |
SHA-256: 0f2a9e9c6ea469331d93925b3f5a5297a40effd8f6ec37e7fdfe39b11db5a292 |
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font_01_sfnt_off0000f701.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF701 | 10592 bytes |
SHA-256: 1ceb5c3add36039148634fcc470f80191ceb4a7ab32e7b114ed890ff61b1c74e |
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font_02_sfnt_off00011b53.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11B53 | 16060 bytes |
SHA-256: ae97ebdbf5cb6679ee3ae7f6f8963da9ec2437ada1f672a33085bc8cbe806833 |
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