MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous embedded links, many of which point to a redirector service known for malicious activity. The document body, though obfuscated, contains text related to 'chromosome mutation worksheet answer key' and a URL that appears to be part of an SEO link farm strategy. This suggests a phishing or scam attempt designed to drive traffic to malicious sites.
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=chromosome+mutation+worksheet+answer+key In PDF document text
- http://sepek.puriri-wiltshire.co.nz/uploads/1/3/1/4/131437792/66b1dbfa92.pdfIn PDF document text
- http://files.haysvillehornets.com/uploads/1/3/1/4/131483097/f046c.pdfIn PDF document text
- http://tabomu.otterspacearts.com/uploads/1/3/1/4/131482950/8568591.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/1/0432/9262/3001/files/besiwupixol.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/4374/7990/files/14780169936.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6109/2250/files/simple_cover_letter_sample_for_job_application.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5836/3544/files/49490443668.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0513/2456/files/53146900726.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/8353/9366/files/14747247649.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7547/7414/files/doxejugarimikira.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/xigidewepiwunabifaw.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/9202/6271/files/t_shirt_cutting_pattern.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/9661/2768/files/88657309489.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7102/0957/files/nugokiw.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/1900/0229/files/kakukisaxuzokizefowi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2174/5825/files/jixozok.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/5209/0022/files/57178413654.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_off0000711c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x711C | 5056 bytes |
SHA-256: 7a30ee02dbda6df9eed28553ac4415949b050b6f59679df12dfdda3bfbe89112 |
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font_01_sfnt_off0000823c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x823C | 10420 bytes |
SHA-256: 488a901de6359340dc3e071fc518171696f465eb40d855c9e11fb42ee867b269 |
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font_02_sfnt_off0000a5e0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA5E0 | 4324 bytes |
SHA-256: 1062cd8ddf90f4344fa193b395386d5669df1a952e5759311ca261a71931f361 |
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