MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF document contains a large number of embedded links, many of which point to a link farm hosted on Shopify. One of the primary links directs users to a known malicious redirector at `ttraff.ru` with a query parameter suggesting a lure for 'Avast registration key'. This indicates a phishing or scam attempt. No scripts were extracted from this sample.
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.ru/pify?keyword=avast+registration+key In PDF document text
- http://files.uicbcq.org/uploads/1/3/1/4/131454114/6177993.pdfIn PDF document text
- http://files.headstockofwoodstock.com/uploads/1/3/1/6/131606289/5099590.pdfIn PDF document text
- http://files.theclassicknowledge.com/uploads/1/3/1/3/131398504/jevejevoxanatej.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/1/0440/5251/2918/files/86565912939.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/7296/2203/files/44949455276.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4257/0402/files/bezutaludetukeri.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/3312/3221/files/javazawazomekenufadaganex.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/5340/6618/files/vidatigivulumebudot.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/9375/2997/files/wipukenisigesevosisuwet.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/94393320092.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/6336/2204/files/genavudufemarutulofege.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/0437/7763/files/3962020711.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/9898/7926/files/toviwafidowaleputijovap.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/2342/5955/files/fiselazolabadafa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/9780/7265/files/35295257770.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/3097/9495/files/81094591632.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/9775/9643/files/32679941112.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_off00005f56.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5F56 | 4824 bytes |
SHA-256: 37d574689f9fd1d8bf7d4be630e3a044a0f4a72ae9ef277814498a224a8c58a5 |
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font_01_sfnt_off00006fcf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6FCF | 10764 bytes |
SHA-256: 548fb1df6e572536e987b5dea019fa716f8cdde192c4349eb5c0aa1beb7f93b6 |
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font_02_sfnt_off00009425.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9425 | 4324 bytes |
SHA-256: d1f4a20f0e35a0564be54678b929bb8c711862c507f070c2b9a6abea8daf4378 |
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