MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
This PDF document was flagged by multiple critical heuristics as a malicious redirector and link farm. The primary malicious indicator is the embedded URL 'https://ttraff.cc/pify?keyword=chomsky+aspects+of+the+theory+of+syntax+pdf', which is known to lead to malicious infrastructure. The document also contains a large number of links to other PDFs hosted on Shopify, suggesting a link farm for SEO manipulation or to obscure the final malicious destination. No scripts were extracted, but the presence of a malicious redirector is sufficient to classify the attack pattern.
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=chomsky+aspects+of+the+theory+of+syntax+pdf In PDF document text
- http://files.loblowsports.com/uploads/1/3/2/6/132681885/31de8.pdfIn PDF document text
- http://files.markrheadassociates.com/uploads/1/3/0/8/130814439/6605395.pdfIn PDF document text
- http://fovokeni.thesoloagency.com/uploads/1/3/2/6/132681352/b80fce.pdfIn PDF document text
- http://lepib.pastorguy.org/uploads/1/3/0/9/130969723/4f1bced57573.pdfIn PDF document text
- http://xejijo.angelajullings.com/uploads/1/3/0/8/130874655/mupenetesadekab.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/1/0427/4746/1788/files/36397929780.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3694/2234/files/zowegugeg.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/9975/8497/files/naval_architecture_free_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0638/5573/files/55364399747.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/9526/8264/files/ecocardiograma_pediatrico.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/2053/2386/files/wegoz.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/0522/1784/files/xesupux.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8864/2197/files/pozek.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0916/2907/files/37367159411.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/8251/3561/files/sedentary_lifestyle_and_obesity.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/3429/6988/files/kotaweveximiga.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/2066/5510/files/74189069013.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/8029/5334/files/17529439611.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/97503793953.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_off00009937.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9937 | 5500 bytes |
SHA-256: ba7cf7ad76971020621a40bb9afcb8865f5a9aa8db4c33fcd0631e84d48991a0 |
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font_01_sfnt_off0000abcb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xABCB | 10032 bytes |
SHA-256: a9476239ae9258cce48cc2ce46278b30dce51c7a33b5773474600e80a9f29255 |
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