MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a link to a known malicious redirector, ttraff.com, which is designed to lure users into clicking on further malicious links. The document body, though heavily obfuscated, contains text referencing a chemistry textbook and the malicious URL, suggesting a social engineering lure. The presence of numerous external PDF links further indicates a link farm or redirection tactic.
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.com/pify?keyword=chemistry+a+molecular+approach+2nd+edition+pdf In PDF document text
- http://files.phkbikes.com/uploads/1/3/1/3/131378776/3800638.pdfIn PDF document text
- http://files.studioandronico.com/uploads/1/3/1/4/131483372/niribe.pdfIn PDF document text
- http://files.samsung-repairs.us/uploads/1/3/1/3/131398085/teluxur-javewetiginuba-rifiwisunu.pdfIn PDF document text
- http://files.mhdesignery.ca/uploads/1/3/0/7/130775084/907949.pdfIn PDF document text
- http://files.nicolettelynch.com/uploads/1/3/1/3/131379743/5030429.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/1/0431/3910/4930/files/1255857903.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/7512/5923/files/zemivagolox.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6635/2025/files/119061386.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9745/6789/files/mekumonadofitomirenaw.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/9471/2228/files/2589518942.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/4865/7311/files/tebiduwuka.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/1747/0101/files/sigaza.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/3871/7605/files/76229195981.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/5048/4390/files/rational_choice_theory_summary.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0401/8336/files/58369463686.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/4929/4756/files/compressing_file_size_online.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/5376/8090/files/66745331706.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_off00006126.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6126 | 5532 bytes |
SHA-256: 017e769338a300c382c250c31e5c4346bd3ce590b83e43ed29946a8c6ea02de0 |
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font_01_sfnt_off000073d4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x73D4 | 10736 bytes |
SHA-256: 78218a5f96ce65095ed67f8ba61ae3c383e28dff78be98eccbe4e0afaae33b16 |
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font_02_sfnt_off000097b3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x97B3 | 4324 bytes |
SHA-256: ff5f0ef16caf3e97cd1984b3a03ea88e11eab8cf63d2ee006085a4b9995833f3 |
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