MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF was flagged as malicious due to embedded links pointing to known malicious redirector infrastructure. The primary malicious URL identified is https://ttraff.cc/wix?keyword=listas+de+acuerdos+tribunales+agrarios. The document body contains garbled text but includes the same URL, suggesting it is the intended lure. The presence of numerous external PDF links also indicates a link farm, a common tactic for SEO poisoning or distributing malicious content.
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/wix?keyword=listas+de+acuerdos+tribunales+agrarios In PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://static.usrfiles.com/ugd/b8c837_e340b4e0341b4c08a2f918c0e687e228.pdfIn PDF document text
- https://static.usrfiles.com/ugd/b8c837_32af411ec13b4b5586ca4b5e2a8b5380.pdfIn PDF document text
- https://static.usrfiles.com/ugd/b8c837_a11de11dcac94997b71c16250d4e173c.pdfIn PDF document text
- https://static.usrfiles.com/ugd/02beb7_3f9d7b391f0b42819e90da5e25a884a6.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/86477918810.pdfIn PDF document text
- https://static.usrfiles.com/ugd/ca9b0a_5ebe6ba52f314af098f4023e74556c0f.pdfIn PDF document text
- https://static.usrfiles.com/ugd/6f58fb_723a33dfd67241b79c4ad5669c64ea83.pdfIn PDF document text
- https://static.usrfiles.com/ugd/b8c837_bdc34efc87aa42328f72b61516303866.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/4591/0678/files/weririsubok.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0459/9942/3647/files/aadhaar_enrollment_form.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4952/5156/files/vewimupu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0460/3310/9156/files/nalogulopidide.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/1624/1831/files/html5_canvas_tutorial.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_off00008b8d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8B8D | 5068 bytes |
SHA-256: f09d4c225250d7a1eb9e447dbaab50ab9d243104f10001372e4c55119d0a9daa |
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font_01_sfnt_off00009cc2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9CC2 | 10796 bytes |
SHA-256: 5f14f80f414e7638303a8f9e95efd66b73daaf8f0f9b2b6fff548111d7b75545 |
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font_02_sfnt_off0000c012.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC012 | 16076 bytes |
SHA-256: ee989ca3c01167a929a766065888a0399def1744bbc45a0f6c3b11f69e640321 |
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font_03_sfnt_off0000d4bc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD4BC | 4324 bytes |
SHA-256: 1158d95dac44631f497756703988ba3645251422e7ff0015d3fca430225e7c3e |
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