MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded links, many of which point to domains associated with link farms and redirectors. One critical heuristic firing indicates a direct link to known malicious redirector infrastructure at 'ttraff.com'. The document body, though heavily obfuscated, contains the same topic as the malicious URL, suggesting a lure to trick users into clicking the links. The presence of numerous Shopify-hosted PDF links, while individually benign, contributes to a link farm strategy.
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/wb?keyword=sas%20similarity%20theorem%20pdf In PDF document text
- http://files.apetsreflection.com/uploads/1/3/1/1/131164081/220901.pdfIn PDF document text
- http://monupeduk.htagmedical.com/uploads/1/3/1/4/131406390/vamano.pdfIn PDF document text
- http://files.tulalipyouthservices.com/uploads/1/3/2/8/132814929/6799338.pdfIn PDF document text
- http://files.speedandsprocket.com/uploads/1/3/0/9/130969332/c2808390d92da4e.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/1/0438/9391/5800/files/poxibodiraxiraxirefo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/3166/4552/files/autocad_mac_tutorial.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/0106/7166/files/modern_geometrical_optics_edition.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3825/2954/files/70791063882.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8572/5857/files/fisiopatologia_da_ascaridiase.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/3789/1480/files/14166652348.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/7755/8681/files/jeximeloboranifufujorig.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/0382/2755/files/ranifomusesojozon.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7013/6218/files/91941560354.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0921/1549/files/lagupojusexe.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5757/7122/files/warabizuzuponidowej.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6730/2295/files/79006982037.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/4505/9749/files/18593439141.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6578/6006/files/zosafivibikomekelojax.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000629c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x629C | 5488 bytes |
SHA-256: 35ebe81ade96c411e0c2f2e499429ec07c5504ea985f80ec94edaf9c8a9d666b |
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font_01_sfnt_off00007520.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7520 | 10712 bytes |
SHA-256: a7797aa8df5921f1a4570207c52af2ae4356bff2bbc8c17919b5e39c514af7db |
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font_02_sfnt_off000099f2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x99F2 | 16116 bytes |
SHA-256: 5ec139a263af45d7cbac1bc1a000173eb4e7f97797aba0f35ce2e37505b4886e |
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