MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous embedded links, with one critical heuristic identifying a link to known malicious redirector infrastructure. The document body, though heavily obfuscated, contains text related to 'Aashto bridge design specifications' and a URL that mirrors this, suggesting a lure. The ML classifier strongly indicates maliciousness, and the presence of multiple external links points towards a link farm or phishing attempt.
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.me/pify?keyword=aashto+bridge+design+specifications
- http://zoraw.lilscholarspreschool.com/uploads/1/3/2/6/132681477/ed2395a5c1fee.pdf
- http://lerum.novelideaspublishing.net/uploads/1/3/1/8/131871864/ece5b98d.pdf
- http://files.carolgalais.com/uploads/1/3/2/7/132740747/dagutu.pdf
- http://files.abbyloupottery.com/uploads/1/3/0/7/130740517/rekeroxelomalak.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0441/3738/2040/files/kiwuv.pdf
- https://cdn.shopify.com/s/files/1/0434/7451/8180/files/guitar_caged_system_exercises.pdf
- https://cdn.shopify.com/s/files/1/0434/4823/8236/files/tratamiento_de_disenteria_amebiana.pdf
- https://cdn.shopify.com/s/files/1/0434/4535/4658/files/warhammer_adeptus_mechanicus_codex.pdf
- https://cdn.shopify.com/s/files/1/0462/7031/6693/files/ruwagurasudufe.pdf
- https://cdn.shopify.com/s/files/1/0433/6903/7982/files/38808253525.pdf
- https://cdn.shopify.com/s/files/1/0430/9093/5969/files/gotuxetulisupimepipobapu.pdf
- https://cdn.shopify.com/s/files/1/0434/1334/0312/files/jutatawizoxumevoti.pdf
- https://cdn.shopify.com/s/files/1/0432/7076/6750/files/joxoxonurojijataniwigob.pdf
- https://cdn.shopify.com/s/files/1/0431/6394/3074/files/genofasinivukune.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_off000063e0.bind2d60371f699c86d2dcaad81aaa750878da5361ee817ecef032fb5b4bb026432 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x63E0 | 5516 bytes |
font_01_sfnt_off00007692.bin1d9748254911e267bbd872261a5dfdf02f9ae8f31158eca25e115cff6273a6d4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7692 | 10040 bytes |
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