MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a mass of external links, many of which are SEO-optimized to appear as legitimate document downloads. One such link, disguised as 'mathematics for economic analysis pdf download', redirects to the malicious infrastructure at ttraff.cc. This suggests a link farm or SEO poisoning attack designed to drive traffic to malicious sites.
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.cc/pify?keyword=mathematics+for+economic+analysis+pdf+download
- http://fedadizu.purpleribbonpublishing.com/uploads/1/3/0/7/130738799/cec463bcdac6.pdf
- http://files.therealfoodcafe.com/uploads/1/3/2/6/132695651/bc9b5931.pdf
- http://files.apriloliviaroskos.com/uploads/1/3/0/7/130739895/6041879.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0428/3308/4575/files/ford_explorer_repair_manual.pdf
- https://cdn.shopify.com/s/files/1/0430/7845/1351/files/nasumixiboxi.pdf
- https://cdn.shopify.com/s/files/1/0430/0580/4698/files/adenoma_hipofisrio.pdf
- https://cdn.shopify.com/s/files/1/0434/1704/3101/files/mathematical_induction_divisibility.pdf
- https://cdn.shopify.com/s/files/1/0435/6574/4287/files/74819109259.pdf
- https://cdn.shopify.com/s/files/1/0436/8403/6761/files/kafejetikewotesal.pdf
- https://cdn.shopify.com/s/files/1/0431/8245/7000/files/language_skills_in_english.pdf
- https://cdn.shopify.com/s/files/1/0434/5623/3638/files/lomelivafeviveferivepobaf.pdf
- https://cdn.shopify.com/s/files/1/0428/0100/4707/files/definicion_de_antecedentes_de_la_investigacion.pdf
- https://cdn.shopify.com/s/files/1/0430/4109/5834/files/jisawomutozelexesaru.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/3785448733.pdf
- https://cdn.shopify.com/s/files/1/0431/2065/6545/files/72099399632.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_off000062c8.bin0986855a1192e6795e96fcc21a262acfe7545a61ab45bcbc09f0bf0cd3b73b5a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x62C8 | 5596 bytes |
font_01_sfnt_off000075c8.binf21acea24b2820bdb899e1a90901b1f4b079ba7b51226a4f9c65877db5a83231 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x75C8 | 10636 bytes |
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