MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a link farm designed to manipulate search engine results, leading to a malicious redirector at ttraff.com. The document body, though obfuscated, contains keywords related to a dictionary download, suggesting a lure to entice users to click the malicious link. The presence of numerous embedded links to external PDFs, many hosted on Shopify, indicates a large-scale SEO poisoning or link farm operation.
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=visual+english+vietnamese+chinese+trilingual+dictionary+pdf+download In PDF document text
- http://files.stmwvenue.co.uk/uploads/1/3/1/8/131856769/jibup_suwiweve_bitiwi_jezunuge.pdfIn PDF document text
- http://files.oneshop42.com/uploads/1/3/0/9/130968958/3856478.pdfIn PDF document text
- http://files.treeservicejacksonmi.com/uploads/1/3/1/4/131483097/zudikem.pdfIn PDF document text
- http://files.indivisiblecrossville.org/uploads/1/3/0/7/130738991/59b6682.pdfIn PDF document text
- http://files.thebeprojectllc.com/uploads/1/3/0/7/130775840/fiselilisoruso.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/1/0436/2531/6514/files/fovidalejij.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/8371/9071/files/nisexodokadanuz.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/4761/5649/files/97296117562.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/8340/6243/files/tudilosebaxagikuguxepulup.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0163/4213/files/dimimuwakedevakewe.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5008/2202/files/guwijo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/9793/9361/files/67613160342.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6803/1143/files/12548256164.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/4301/2256/files/brownlie_principles_of_public_international_law_james_crawford.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/4102/1334/files/59136236451.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0108/5082/files/memenivo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6618/7176/files/honda_gcv160_oil_capacity.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/5363/8044/files/18766692723.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/5060/5461/files/7355405712.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_off0000b314.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB314 | 5788 bytes |
SHA-256: c023e5424987dfc648001390f8a6b6db74b096b1665a32437dab771c7d740490 |
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font_01_sfnt_off0000c6b6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC6B6 | 19932 bytes |
SHA-256: 4be340b702c6efd89ae4b34abeb49e472fceacfeabdd5309d375520290399f8c |
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