MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.001 User Execution: Malicious Link
T1059.001 PowerShell
The PDF contains a heuristic firing for a malicious redirector link pointing to 'ttraff.com', which is a known malicious domain. It also exhibits characteristics of a link farm, with numerous embedded URLs. The document body, though heavily obfuscated, contains the same malicious URL. The combination of these factors strongly suggests a phishing or redirection attack designed to trick users into visiting a harmful site.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 6
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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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Urgency / deadline lure low SE_URGENCY_LUREDocument contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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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/wb?keyword=desastre%20de%20brumadinho%20pdf In PDF document text
- http://files.amydethick.com.au/uploads/1/3/0/7/130775260/9a654869700c92.pdfIn PDF document text
- http://mejinus.nutrismartworld.com/uploads/1/3/2/3/132302751/7978660.pdfIn PDF document text
- http://files.refugecl.org/uploads/1/3/1/4/131438211/kuxelarupaxanirigi.pdfIn PDF document text
- http://files.vanixo.net/uploads/1/3/2/7/132740553/5785663.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/1/0431/9330/3204/files/66469386323.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6397/5835/files/86943239026.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/5453/7624/files/33676087957.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2586/6662/files/medicinal_plants_and_their_uses_in_tamil_language.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7182/3267/files/25548263784.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6255/0940/files/duxukagi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/2756/9576/files/vuxirizet.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1633/1172/files/conjunctions_in_english_grammar_with_examples.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/9582/6336/files/aaron_becker_journey.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/7505/2454/files/biblia_ortodoxa_vechiul_testament.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/1727/3497/files/69121410250.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/8271/8115/files/compound_nouns_worksheet.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
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0001d3a6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1D3A6 | 5388 bytes |
SHA-256: f15e2002ec222fc2e5e907f36a66783455204de6f89e8d648a7bff718e2b3558 |
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font_01_sfnt_off0001e5c4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1E5C4 | 11992 bytes |
SHA-256: 39ecd904e1dffffcd9371aa09033e09c2b74d949be5c328e8597b58f002f174f |
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