MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a large number of embedded links, many of which point to external PDF files hosted on Shopify. One critical heuristic identified a link to a known malicious redirector, ttraff.cc, which is disguised as a search result for a book. This suggests a phishing or social engineering attack aiming to redirect users to malicious content. No scripts were extracted, limiting the analysis of direct payload delivery.
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/wb?keyword=a%20long%20way%20down%20book%20nick%20hornby%20pdf In PDF document text
- http://files.siglapscec.com/uploads/1/3/2/6/132682113/mevesoroximex_rogavadoduvaj_vemezob.pdfIn PDF document text
- http://files.zacksguttering.com.au/uploads/1/3/1/0/131070374/pewixasoxiken_gorotu_vameta.pdfIn PDF document text
- http://files.pnhsbaseball.com/uploads/1/3/1/4/131453267/1000168.pdfIn PDF document text
- http://tifuxemi.fbckilbourne.com/uploads/1/3/0/7/130738531/parediwiza.pdfIn PDF document text
- http://files.associatedoptical.com/uploads/1/3/1/4/131453214/peruvisite-valolufifo-nusoloseguzonev.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/1/0433/9220/4950/files/wivebunoguzisuxalere.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/4790/2623/files/real_time_applications_of_artificial_intelligence.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9957/8773/files/68524651506.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6077/2516/files/phonics_world.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5592/2852/files/69759771731.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6053/5196/files/lerufomukomigipalawowusu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/3294478915.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5382/5694/files/47375107517.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/3892/4181/files/kovifabulabolemegasob.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9961/9492/files/bixibene.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8331/6891/files/88806222891.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/3178/1791/files/94326679673.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0191/3244/files/gupajefewimivemukori.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_off00008dc8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8DC8 | 5624 bytes |
SHA-256: d96749929f418e66fa432af02515d479fc48dd4c6aa4f2dcee2fd58d2d9e3d08 |
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font_01_sfnt_off0000a107.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA107 | 10088 bytes |
SHA-256: 2de7ffef193c1ba6f4e1f9136c9defd778988603ae54ebe76a61d2340f531b4d |
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