MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains numerous links to external resources, many of which are part of a link farm designed to appear as legitimate content. The primary redirector URL, 'https://ttraff.cc/pify?keyword=business+english+writing+advanced+masterclass+pdf', is flagged as malicious and used in conjunction with an image lure, indicating a phishing or scam attempt. The ML classifier also strongly indicated maliciousness.
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=business+english+writing+advanced+masterclass+pdf In PDF document text
- http://files.warrenswcd.com/uploads/1/3/0/8/130874347/5213841.pdfIn PDF document text
- http://tixak.bonedesigns.com/uploads/1/3/1/6/131606289/2347443.pdfIn PDF document text
- http://jokamas.smile-movement.com/uploads/1/3/1/4/131453541/b9371077.pdfIn PDF document text
- http://gelexewef.grandviewcresthoa.com/uploads/1/3/1/1/131164250/3582825.pdfIn PDF document text
- http://files.alleghenybuilders.com/uploads/1/3/0/7/130739369/a18ff19b1463.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/1/0430/8064/6807/files/68491686112.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/2820/0096/files/69310869741.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3455/0177/files/japojolilogekusow.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/1310/2998/files/wenudiganoviwakavi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/0041/4883/files/numoben.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6769/5511/files/75635317494.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1126/0062/files/29841923014.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3631/9639/files/devaleparisekobelete.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/0294/3909/files/46247402767.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/9736/7452/files/15100631266.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/5799/5160/files/vowepisenowaselarugipaga.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/9557/2126/files/xifawofegemiruxeveber.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/1140/0102/files/duzaseg.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/4737/9356/files/ninedomuvifuvubokixaz.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00004db2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4DB2 | 5768 bytes |
SHA-256: b058d76f9746ddd90e05311e74843847b1e63546670ce6e931120fc4b32ad2e2 |
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font_01_sfnt_off0000613b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x613B | 9452 bytes |
SHA-256: d6b89d6543561148acfe48c442fbc0aa6b88ecb0d3b91eb3cfcf4046212add66 |
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font_02_sfnt_off0000819e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x819E | 18500 bytes |
SHA-256: bcdb41c598d6bf23703bb1a941982c4245296c86604be9fe128e3971ac406bb9 |
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