MALICIOUS
234
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous links to external resources, many of which are hosted on Shopify and appear to be part of a link farm designed to lure users into downloading files. The primary redirector URL, https://ttraff.ru/pify?keyword=multivariate+data+analysis+for+dummies+pdf, is flagged as malicious and likely leads to a malicious payload. The document body, though heavily obfuscated, contains references to URLs and appears to be part of a phishing or scam attempt.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 6
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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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LOLBin token sequence in document text high SE_LOLBIN_RUN_COMMANDExtracted document text contains a Windows script/execution tool name (PowerShell, mshta, cmd, rundll32, regsvr32, …) within 220 characters of a dangerous flag, command verb, or URL. This is a visible 'run this' instruction in HTML/PDF/RTF lure bodies, or — in macro-laden Office files — the macro's own string-pool entries appearing adjacent in extracted text.
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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=multivariate+data+analysis+for+dummies+pdf In PDF document text
- http://files.aoemedia.tv/uploads/1/3/1/4/131483254/f5e1c3a.pdfIn PDF document text
- http://files.eofsaa.org/uploads/1/3/0/8/130813317/2602765.pdfIn PDF document text
- http://files.fcoca.org.uk/uploads/1/3/1/6/131606000/2210662.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/1/0432/0195/3952/files/95597664403.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/2457/9751/files/police_communications_technician_study_guide.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/9199/2481/files/wojurinuri.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2567/7982/files/zabojosigero.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8960/0414/files/waxuzegafikefenoxiwebedag.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1282/4986/files/service_tag_cmd.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5326/8642/files/71848447109.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3554/1151/files/66052891889.pdfIn macro / runtime command snippet
- https://cdn.shopify.com/s/files/1/0433/0940/0214/files/nevuzab.pdfIn macro / runtime command snippet
- https://cdn.shopify.com/s/files/1/0430/0200/3615/files/kejajan.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/5829/1093/files/ritelebijaluximesus.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
- https://cdn.shopify.com/s/files/1/0432/5326/8642/filIn macro / runtime command snippet
- 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_off0000486e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x486E | 5356 bytes |
SHA-256: be44caf92d3e9379d9521a17371f251eac143d8ea7227ea789578a60bd62014c |
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font_01_sfnt_off00005aa6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5AA6 | 9648 bytes |
SHA-256: a6808db0cac790cd52a7a1df7a9e3410336f6af3055101e01b00bb763942d9ce |
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