MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a link to a known malicious redirector, ttraff.com, which is likely used to obscure the final destination of the malicious content. The document body, though heavily obfuscated, contains the same URL and references a worksheet, suggesting a lure to trick users into clicking the link. The presence of numerous other PDF links also points to a link farm or SEO abuse tactic.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 4
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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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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=asa+congruence+postulate+worksheet
- http://soseniwe.lifetimeepoxyfloors.com/uploads/1/3/0/7/130776321/0fb88f3881.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0428/5480/9759/files/equal_arm_balance_worksheet.pdf
- https://cdn.shopify.com/s/files/1/0439/1459/2408/files/51366498011.pdf
- https://cdn.shopify.com/s/files/1/0434/8208/7588/files/48447793282.pdf
- https://cdn.shopify.com/s/files/1/0462/7732/9056/files/forrest_gump_main_theme_piano_sheet.pdf
- https://cdn.shopify.com/s/files/1/0428/4314/4355/files/chrome_extensions_all_files.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/31492874922.pdf
- https://cdn.shopify.com/s/files/1/0435/8357/0078/files/chippewa_flowage_fishing_report.pdf
- https://cdn.shopify.com/s/files/1/0463/0708/2402/files/12826050363.pdf
- https://cdn.shopify.com/s/files/1/0433/8132/5987/files/livro_biotecnologia_industrial_volume_2.pdf
- https://cdn.shopify.com/s/files/1/0432/9373/7110/files/91705878039.pdf
- https://cdn.shopify.com/s/files/1/0432/9819/3573/files/aquaculture_lecture_notes.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00004832.bine448d20d879298bf4414a0a695c6cabe92ac7bbd28f2fc42e4d13272dc93f628 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4832 | 5340 bytes |
font_01_sfnt_off00005a60.bin88e7418e881a7b71f87f18cd30535039d8e19d323a6e9ba9cccd42f51b18e48b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5A60 | 9440 bytes |
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