MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a large number of embedded links, many of which point to a redirector service. The primary malicious link, 'https://ttraff.cc/pify?keyword=non+mendelian+genetics+multiple+choice+questions+with+answers+pdf', is designed to redirect the user to potentially harmful content. The document body, though heavily obfuscated, contains this URL and other Shopify links, suggesting a link farm or SEO poisoning tactic to distribute malicious content. No scripts were extracted, but the PDF structure and embedded links strongly indicate a phishing or redirection attack.
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=non+mendelian+genetics+multiple+choice+questions+with+answers+pdf In PDF document text
- http://files.insightmentalwellness.com/uploads/1/3/1/4/131406592/ce7967b28d58.pdfIn PDF document text
- http://files.abandonedbutnotforgotten.net/uploads/1/3/1/0/131070602/liwotawavurozora.pdfIn PDF document text
- http://files.fillinupmyteacup.com/uploads/1/3/0/7/130776791/a75e763419.pdfIn PDF document text
- http://files.staloysiuschurch.com/uploads/1/3/1/6/131637362/601794.pdfIn PDF document text
- http://files.guildenmordencongregationalchurch.com/uploads/1/3/1/1/131163953/sazarejadok.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://cdn.shopify.com/s/files/1/0438/9958/4664/files/94990894600.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/6671/0433/files/1996057197.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1298/8821/files/36921371835.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/1007/1448/files/bajug.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0944/0917/files/61453166190.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/4979/4213/files/56267420971.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/9715/9832/files/25005678936.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/5543/0309/files/35107670186.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6617/1297/files/34988140645.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/0996/4192/files/74500647402.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6245/1611/files/the_dark_side_of_the_light_chasers_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/8611/7019/files/stardew_valley_ores.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/8236/4566/files/sujutelawijisepoxeni.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_off000053cd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x53CD | 5640 bytes |
SHA-256: f7e62073c00b289e1ee312dad45ef949c03ad39decd8a0c0c58589a71bc14854 |
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font_01_sfnt_off000066d3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x66D3 | 9788 bytes |
SHA-256: 48805363d71cdf3e0dfaa017fc8444f42fa2f50c15a8d828f421293a174cd4e6 |
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font_02_sfnt_off0000886f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x886F | 4324 bytes |
SHA-256: 9f355172d696dda274cac500966718f112ce76951f19577ac4888987ea6471b2 |
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