MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous links, many pointing to a redirector service (ttraff.ru) disguised as a search result for a sewing machine manual. This indicates a phishing or scam attempt, likely to deliver a second-stage payload or lead users to a fraudulent site. The ML classifier strongly supports the malicious nature of this PDF.
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.ru/wb?keyword=singer%20heavy%20duty%204452%20sewing%20machine%20manual In PDF document text
- http://files.imstillagoose.org/uploads/1/3/1/6/131607110/rifikofew.pdfIn PDF document text
- http://files.stbarnabasborregosprings.com/uploads/1/3/1/8/131856877/8850054.pdfIn PDF document text
- http://files.lymeaustralia.com/uploads/1/3/1/3/131398117/vitasawa_mefemizudimew.pdfIn PDF document text
- http://files.gracecatcollective.com/uploads/1/3/1/4/131437605/b73f2e8d7c.pdfIn PDF document text
- http://files.novahtrp.com/uploads/1/3/1/6/131606314/nakularakefivovo.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/1/0428/5428/5479/files/62990437438.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/4219/4083/files/65725237921.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8799/4792/files/lifaked.pdfIn PDF document text
- https://koriluvow.files.wordpress.com/2020/06/lupimelidotize.pdfIn PDF document text
- https://bagikib.files.wordpress.com/2020/07/55327899022.pdfIn PDF document text
- https://pinuraliwa9571753.files.wordpress.com/2020/06/21963993644.pdfIn PDF document text
- https://rulegawok.files.wordpress.com/2020/06/bovatabepazepixini.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/runuwadobona.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8926/4794/files/97435412934.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8032/7076/files/luvubanizonom.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/lafiku.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5313/7576/files/xuvedu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8549/6482/files/ludobukadufeped.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6150/2374/files/direzop.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/38684703775.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6055/2085/files/63047206870.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_off00007810.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7810 | 5824 bytes |
SHA-256: 941182cb3e07e4ad80af2b433cd363ab26e78d7add45c6770110bc0f8bf3d178 |
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font_01_sfnt_off00008bcc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8BCC | 10160 bytes |
SHA-256: baf5b6c9a18ffc24d1b3fd9c8829afa57874724bfd8db240faf96e40f5d35c87 |
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