MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Phishing: Spearphishing Attachment
T1059.001 Command and Scripting Interpreter: PowerShell
The PDF file contains a large number of embedded links, many of which point to external PDF files hosted on Shopify. One critical heuristic indicates that the PDF links to a known malicious redirector infrastructure. The document body, though heavily obfuscated, contains the URL https://ttraff.cc/pify?keyword=cambridge+pet+worksheets+pdf, which is likely intended to lure the user into clicking through to a malicious site. 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.cc/pify?keyword=cambridge+pet+worksheets+pdf In PDF document text
- http://files.accordingtophillips.com/uploads/1/3/2/6/132695438/tepar_dibatulo_kodunezeweneke_tolom.pdfIn PDF document text
- http://files.farsouthcoasthominoidevidence.org/uploads/1/3/1/4/131409508/tavanaxava.pdfIn PDF document text
- http://files.debaserrr.com/uploads/1/3/2/6/132695714/2497450.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/1/0432/8695/4140/files/belevulumagejasesovigo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/1767/3636/files/mastering_the_market_cycle.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/3729/4754/files/zefitozuz.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/4777/8469/files/61663217382.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/0458/4355/files/roluxa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/8280/0542/files/95316170156.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/2511/1972/files/xumegenezutimojenozozazu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/8978/8069/files/xosiwed.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/1543/7468/files/bobiv.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/6515/6508/files/magifinubukol.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4549/4684/files/21528597501.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/6455/6710/files/9674976849.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/5337/5897/files/90317756738.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1741/2501/files/mimamad.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4929/5776/files/20838575974.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_off000046ba.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x46BA | 5624 bytes |
SHA-256: 4cb5b211918f845c34db361a59f6e413d40780435188c53565855409f8bba1e4 |
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font_01_sfnt_off000059ba.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x59BA | 10508 bytes |
SHA-256: b4e5e96b1ee7be2c4ffccb2602f0213af7a7d6c227a43d75f47b7a6ca3bc846c |
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