MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF document leverages SEO tactics and redirector links to lure users into downloading content, disguised as a free textbook. The embedded URL https://ttraff.cc/pify?keyword=satyanarayana+biochemistry+4th+edition+pdf+free+download is identified as a malicious redirector, indicating a phishing or malware distribution attempt. The document body contains garbled text alongside the lure URL and other Shopify links, suggesting it's designed to appear as a legitimate download source.
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=satyanarayana+biochemistry+4th+edition+pdf+free+download In PDF document text
- http://files.fearless-compassion.org/uploads/1/3/1/4/131438616/3f256d7480302.pdfIn PDF document text
- http://files.coloquioespanacee1979-2019.com/uploads/1/3/2/6/132696155/bizugaketubijupu.pdfIn PDF document text
- http://files.galleryodin.com/uploads/1/3/0/8/130813645/ganureke-pagezenodi.pdfIn PDF document text
- http://files.faubionmiddleschool.com/uploads/1/3/0/8/130874143/5327c939cf367.pdfIn PDF document text
- http://files.emarinstories.com/uploads/1/3/0/8/130813489/4009a8.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/1/0435/0600/8216/files/xetusuforen.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/4143/2487/files/rozosifexuwezenutekumoni.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6299/2795/files/6390483808.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/1/0431/4382/3517/files/famovineragejuxozi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/4847/5541/files/automatic_control_kuo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1498/7674/files/32407444761.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/74133662670.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2564/5211/files/kimanufazas.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/0641/9367/files/poxokafopuleran.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/5285/0586/files/sajoxoxapodadebixomoz.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2125/4312/files/zuwimirokowozafakixa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/datumaf.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000685e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x685E | 5920 bytes |
SHA-256: 04be8aafddd6ba55fb53fdb54e33062710d0794858050d086018c9a2b99e82d4 |
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font_01_sfnt_off00007c76.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7C76 | 10440 bytes |
SHA-256: 83989fe25fc20dcaa0b8beb3307c194ab40aed05973d659d83be19a9aca76646 |
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font_02_sfnt_off0000a057.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA057 | 16164 bytes |
SHA-256: ebd2804bff382343e08f6a42dc45f69f4e794c08b23908ae60ba78ededae74b1 |
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