MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file contains a critical heuristic firing for a malicious redirector link, pointing to `https://ttraff.cc/pify?keyword=ms+excel+tutorial+2020+pdf+free+download`. The document body, though heavily obfuscated, contains this same URL, suggesting it's the primary lure. The file also exhibits characteristics of a link farm, with numerous external PDF links, including one hosted on `cdn.shopify.com`. The overall pattern suggests a phishing or scam attempt disguised as a tutorial download.
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=ms+excel+tutorial+2020+pdf+free+download In PDF document text
- http://files.mariealohalanibrown.com/uploads/1/3/1/4/131411539/sidomeme-fazenopap-nizafelu-tutufojevi.pdfIn PDF document text
- http://files.snowypeaksoap.com/uploads/1/3/2/3/132302973/a7512c13cdce8e.pdfIn PDF document text
- http://files.startxbenefits.com/uploads/1/3/1/4/131406449/ee3c3461e8.pdfIn PDF document text
- http://files.westendjiujitsu.com/uploads/1/3/0/7/130740112/sixowupozikusujid.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/1/0433/7745/9363/files/37414926287.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5290/0260/files/pekoxavaremujarekek.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/6744/0294/files/environmental_economics_and_management_callan.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/5502/2234/files/dironugidulewegorasejet.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3694/2234/files/introduction_to_genetic_analysis_9th_edition.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4535/5674/files/dofimimazoza.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/3988/1373/files/xaxozekozivewefolirazivef.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6858/8194/files/wipidamatevigawata.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5706/9721/files/38835480468.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8652/0224/files/55376021209.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3459/0888/files/23727785815.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/2775/1321/files/50702162647.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/2299/2028/files/mugatovosiruniruzizosof.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_off00007889.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7889 | 5588 bytes |
SHA-256: 1860d49fa8d6c3bf7f6bd070dbfc5449c9fe9387e64489498f6a5256d97359db |
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font_01_sfnt_off00008bbd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8BBD | 9744 bytes |
SHA-256: 6caf6c7f7920237bf8b47bbbe7c218ad547c370c5606956e497df58b9f20d721 |
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