MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged as malicious by an ML classifier and contains a critical heuristic indicating it links to known malicious redirector infrastructure. The document body and embedded artifacts reveal a large number of external links, many hosted on Shopify, suggesting a link farm designed to distribute malicious content. The primary malicious URL identified is https://ttraff.cc/pify?keyword=html+link+to+pdf+open+in+browser, which likely serves as a gateway to further 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=html+link+to+pdf+open+in+browser In PDF document text
- http://files.rajeanandcompany.com/uploads/1/3/1/8/131871817/2389356.pdfIn PDF document text
- http://files.odpeople.com/uploads/1/3/2/6/132695829/genufazejibeleb.pdfIn PDF document text
- http://files.culturelli.fi/uploads/1/3/1/8/131871569/490eb75aaa734e.pdfIn PDF document text
- http://files.meredithbledsoephd.com/uploads/1/3/1/4/131438202/273fe5bbd31.pdfIn PDF document text
- http://files.academicfreedomnebraska.org/uploads/1/3/2/7/132710627/jedetevupiguron.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/1/0437/8053/8526/files/90441159191.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/tagitigupi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/0707/4723/files/40802588932.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/8363/5619/files/95755902699.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/8168/6439/files/mathematics_past_papers.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1918/9915/files/books_to_read_online_free.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/2341/8019/files/vegese.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5270/3645/files/python_beginners_2020.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7747/6260/files/48461042828.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/1400/3610/files/83017964140.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/tedix.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/6268/8918/files/antenna_and_wave_propagation_by_bakshi_free.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/7016/7966/files/basic_accounting_concepts_and_principles.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5638/1597/files/96850819649.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_off0000676a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x676A | 5236 bytes |
SHA-256: 450d4b270e7defee56401728d384ff4d55d67ae5b58957be52771662c47c9182 |
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font_01_sfnt_off0000792c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x792C | 10480 bytes |
SHA-256: 8018de14d3b3e29a9a6410692ef7327334bf007bb8f3b491237f113a7347be9d |
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