MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a significant number of embedded URLs, with a critical heuristic firing indicating a link to known malicious redirector infrastructure. Another critical heuristic identified a large external PDF link farm, suggesting a potential SEO manipulation or redirection scheme. The ML classifier strongly flagged this PDF as malicious. While no scripts were extracted, the sheer volume of suspicious links points towards a malicious intent, likely to lure users to malicious sites or download further payloads.
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=american+english+file+1+pdf+second+edition
- http://files.liftbaltimore.org/uploads/1/3/1/4/131453121/1379631.pdf
- http://ramovo.gulfcoastdi.com/uploads/1/3/1/8/131856462/gotunofifigo_sigav_wonakiz_zowemadufu.pdf
- http://nulisumus.zportman.com/uploads/1/3/2/6/132695384/fosubozuvik_nelawot_misojotenixo_gigefoti.pdf
- http://leziset.doctorshousesozopol.com/uploads/1/3/2/6/132680813/8686159.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/webomobituwisumepepaxifi.pdf
- https://cdn.shopify.com/s/files/1/0433/6559/7342/files/brasart_160_bula.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/85450973079.pdf
- https://cdn.shopify.com/s/files/1/0431/5214/6587/files/26527018948.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/kexikebesadunav.pdf
- https://cdn.shopify.com/s/files/1/0433/6776/0028/files/empirical_and_molecular_formula.pdf
- https://cdn.shopify.com/s/files/1/0432/6057/5894/files/graphic_design_books_2020.pdf
- https://cdn.shopify.com/s/files/1/0432/7460/0598/files/65444166054.pdf
- https://cdn.shopify.com/s/files/1/0434/5852/7397/files/pineze.pdf
- https://cdn.shopify.com/s/files/1/0430/9693/2501/files/sherlock_holmes_deductive_reasoning.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/
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0001a98f.bin7835eb99b4e69ebe20a9d7634ded9db076e6dcb81079af3d14542ab1d1b8b9a4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1A98F | 5612 bytes |
font_01_sfnt_off0001bc7d.bin5a844b34f7b864839069abfd7b3d771681fa909b3cf030044bd1ee6ce95d2744 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1BC7D | 15996 bytes |
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