MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file contains a lure related to '10th class english book answers pdf' and embeds numerous links. One of these links, https://ttraff.ru/pify?keyword=10th+class+english+book+answers+pdf, is identified as a malicious redirector. The file also contains a large number of SEO-optimized PDF links, many pointing to cdn.shopify.com, suggesting a link farm strategy to distribute malicious content.
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/pify?keyword=10th+class+english+book+answers+pdf In PDF document text
- http://files.theschoolhouseeclc.com/uploads/1/3/0/8/130813317/7581302.pdfIn PDF document text
- http://kadopunur.northernumpires.com/uploads/1/3/2/6/132695615/8419957.pdfIn PDF document text
- http://files.thoughtfullyshelby.com/uploads/1/3/2/6/132681456/7128611.pdfIn PDF document text
- http://files.brunswickbands.org/uploads/1/3/1/3/131380308/wimamuvofajit_sedasik_tufopakuti_kalafojugazeb.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://fedorahosted.org/lohitIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/7656/7711/files/barefota.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/0722/0635/files/zuxeb.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1565/0980/files/66225896583.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/3872/7589/files/kapubovafapisino.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6676/9051/files/wasimebijadox.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0097/8853/files/marketing_project_report_on_sales_promotion.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/7474/0639/files/83101805763.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/9243/4343/files/82051954231.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6297/6921/files/fofufebiduxamo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/7391/9393/files/asfixia_perinatal.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/5517/8150/files/13210863745.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/6245/0586/files/bank_exam_preparation_book_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/2515/4716/files/menanebumapodigurakas.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006028.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6028 | 5812 bytes |
SHA-256: 881f53f6221f33d9f6692b13e563c7c7c83439b793bd2e706ebd111f67571dfc |
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font_01_sfnt_off000073ef.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x73EF | 10180 bytes |
SHA-256: dba2df17f775ec4228bc512dd6c11c9a78243403b22757bd5078f4b11f0e8d7f |
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font_02_sfnt_off000096dc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x96DC | 5424 bytes |
SHA-256: df4542a37b5fbad568d94063c0ef1b29d0adefcc4b7bf1b24886ea2487c84900 |
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