MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded links, with one identified as a known malicious redirector. The document body, though heavily obfuscated, contains the URL 'https://ttraff.cc/wb?keyword=thermal%20energy%20systems%20pdf', which is likely part of a phishing or malware distribution scheme. The presence of numerous links, many pointing to Shopify domains, suggests a link farm designed to obscure the true malicious destination.
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/wb?keyword=thermal%20energy%20systems%20pdf
- http://files.stem2schools.org/uploads/1/3/2/6/132681992/sapowiri-zagoxopub.pdf
- http://nasajemi.delishdishes.com/uploads/1/3/2/6/132682467/8a1af9ff5d86c8.pdf
- http://wofog.29wildcats.com/uploads/1/3/2/8/132814930/d6dbc7f2b9024.pdf
- http://files.shilohsdachicago.org/uploads/1/3/1/4/131482952/9466969.pdf
- https://cdn.shopify.com/s/files/1/0428/7689/5398/files/fevokobolewunapuxafiboxub.pdf
- https://cdn.shopify.com/s/files/1/0447/1390/2234/files/african_union_organs.pdf
- https://cdn.shopify.com/s/files/1/0430/2379/4339/files/lolinufodimamabilusadufo.pdf
- https://cdn.shopify.com/s/files/1/0440/8446/1720/files/21721275179.pdf
- https://cdn.shopify.com/s/files/1/0432/0270/7616/files/37278771300.pdf
- https://cdn.shopify.com/s/files/1/0430/9703/0817/files/pikufabaki.pdf
- https://cdn.shopify.com/s/files/1/0434/0816/2974/files/bible_bookmarks_to_color.pdf
- https://cdn.shopify.com/s/files/1/0430/8497/2183/files/53020742364.pdf
- https://cdn.shopify.com/s/files/1/0432/3246/0960/files/tiporevelajo.pdf
- https://cdn.shopify.com/s/files/1/0454/8689/9350/files/calendario_lunare_2020_capelli.pdf
- https://cdn.shopify.com/s/files/1/0432/9439/2485/files/75299406264.pdf
- https://cdn.shopify.com/s/files/1/0439/6164/7262/files/cet_2020_result_download.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_off000063ef.bin14fe9656637c38b2885987858a88d0147b88c9a5fee5cdf7a81200d9d94209d8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x63EF | 5504 bytes |
font_01_sfnt_off00007688.bin504d3757a8774cd4d1b2e97adb8041942a0512e99a0775ac76e247c2a48b6005 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7688 | 10408 bytes |
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