MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file contains a large number of embedded links, many of which point to a redirector service (ttraff.cc) that is known to host malicious content. The document body, though heavily obfuscated, contains a reference to 'printable periodic table of elements' and the malicious URL, suggesting a lure to trick users into clicking the malicious link. The heuristic PDF_MALICIOUS_REDIRECTOR_LINK confirms the presence of links to known malicious infrastructure.
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=printable+periodic+table+of+elements In PDF document text
- http://files.unionchapelmonroe.com/uploads/1/3/2/7/132740445/4de096801a1ea.pdfIn PDF document text
- http://files.iacela.com/uploads/1/3/1/8/131858043/bekenomez_zijinutapob.pdfIn PDF document text
- http://files.caubands.net/uploads/1/3/2/6/132682882/1fb4b.pdfIn PDF document text
- http://files.treeseedonline.com/uploads/1/3/0/9/130969298/wenibogapeb.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/1/0431/1531/5351/files/downloaded_rosetta_stone.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/4197/2636/files/kujozuju.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/4062/0200/files/26396608179.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/7337/9230/files/jewoxebalamikofase.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/4512/5281/files/ww_cda_pl.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/37144816260.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/3669/5959/files/24403725123.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/9536/7585/files/13134762750.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/6312/9765/files/92817967433.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/7248/6566/files/wii_manual.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/0709/9558/files/tavozufetezorogezin.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6926/8383/files/pobuwomapipadegok.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/9755/4084/files/finomuroxerupusa.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_off00007797.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7797 | 5232 bytes |
SHA-256: 57b826be2f246a41e5c80f5000c4e99c6260c583ebf6ab56e0ef889a430b0842 |
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font_01_sfnt_off00008932.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8932 | 10296 bytes |
SHA-256: 698389d682101e83e6c6be6b961e4cfc03b4460097a706dfacd295c9149aaa1f |
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font_02_sfnt_off0000ac2c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAC2C | 4324 bytes |
SHA-256: ce7e2e230a41ba6fc2d7d2240890c8289d67876d84a3d076d67c0b48111c8230 |
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