MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.001 Malicious Link
T1059.001 PowerShell
The PDF file contains a critical heuristic firing for a malicious redirector link, pointing to 'https://ttraff.cc/pify?keyword=etiology+of+trigeminal+neuralgia+pdf'. Additionally, it exhibits characteristics of a PDF link farm, embedding numerous external links, with the primary one leading to a Shopify domain. The document body, though heavily obfuscated, contains the same redirector URL, reinforcing the malicious intent. The file's purpose appears to be to trick users into downloading a malicious PDF, which then redirects them 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.cc/pify?keyword=etiology+of+trigeminal+neuralgia+pdf In PDF document text
- http://files.mackaydoula.net/uploads/1/3/1/8/131856205/79b1f.pdfIn PDF document text
- http://files.brownleeschools.com/uploads/1/3/1/4/131438245/vesesur_nageguvexi_nozotixepovu_mesuzenabawuj.pdfIn PDF document text
- http://files.mywinningjewelry.com/uploads/1/3/1/4/131482944/vijekuxamezomab_fiwuxib_lepeguzobug_romixowog.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/1/0430/5548/0981/files/10798691908.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/0241/3735/files/5e_monk_way_of_the_long_death.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/9173/8277/files/sasifuwamadoginunonu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/6350/8121/files/66125553092.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/6085/3912/files/32570896409.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/1228/2789/files/86444250915.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/3591/7464/files/85194765797.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/0835/0615/files/associativismo_e_cooperativismo_sebrae.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/8714/8709/files/legend_of_the_red_dragon_movie.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/1491/3191/files/86101805425.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9087/0423/files/lujab.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/6013/2005/files/71347090115.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/4988/6620/files/alfabet_po_angielsku_wymowa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8792/1313/files/57303556850.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_off00009e21.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9E21 | 5240 bytes |
SHA-256: 8fe44777e780e49d782b7b02835c1275dcd577f60b3e8b72e9545246c8fd19d4 |
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font_01_sfnt_off0000afe9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAFE9 | 12940 bytes |
SHA-256: e068cf8c123d327681d38282d9264fa858f22398099d74efe21b55c33f73d4e3 |
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