MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF was flagged by multiple critical heuristics for containing a malicious redirector link and a large number of external links, suggesting a link farm or SEO poisoning attempt. The primary malicious URL identified is https://ttraff.com/pify?keyword=non+verbal+reasoning+practice+questions+pdf. While no scripts were extracted, the presence of a malicious redirector and the ML classifier's high confidence indicate a malicious intent to redirect users to harmful 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.com/pify?keyword=non+verbal+reasoning+practice+questions+pdf In PDF document text
- http://files.chicocyclingteam.org/uploads/1/3/1/4/131453718/fezoxeb-ramalodov.pdfIn PDF document text
- http://files.drkesconcrete.com/uploads/1/3/2/3/132303068/xivapexur-benuxojoxaw-pezesavuruza-zodonozaxu.pdfIn PDF document text
- http://files.atlantamedicalaesthetics.com/uploads/1/3/1/1/131163898/8177963.pdfIn 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://cdn.shopify.com/s/files/1/0430/6308/3170/files/61203212271.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/5023/8101/files/546600061.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4900/0864/files/atomic_habits_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8694/6206/files/bopavoru.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/9522/6523/files/carrier_reefer_unit.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/5625/1559/files/onan_generator_5500.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/5933/9679/files/92686189516.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0416/5276/files/bourre_in_e_minor_guitar_sheet_music.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6519/6197/files/64848907747.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8339/9329/files/65877342336.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/5491/6003/files/alfonsina_storni_el_dulce_dao.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5180/9942/files/merenexup.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/4918/7493/files/diniwizuzijotedesivu.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000067cc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x67CC | 5500 bytes |
SHA-256: 0a2193662948e8e09869dd4bae797092ca11b62dd178dea07cce7f49965fdbce |
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font_01_sfnt_off00007a83.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7A83 | 10764 bytes |
SHA-256: cf6c02b90f6e705aa33ff64b9d32824c837f92cee189a8cf9ccaed281f37321f |
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font_02_sfnt_off00009f05.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9F05 | 4324 bytes |
SHA-256: b50a2106bf82917db0cd3cf88f63c5e8cc3298b343ace5cffc591b35df33d24c |
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