MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains embedded links that redirect to malicious infrastructure, specifically a URL designed to lure users with a 'logo quiz game answers' pretext. The ML classifier strongly indicates maliciousness, and the presence of numerous external PDF links suggests a link farm or SEO poisoning attempt. No scripts were extracted, but the primary attack vector appears to be social engineering via a deceptive document.
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=logo+quiz+game+level+11+answers
- http://files.sunbirdtravels.com/uploads/1/3/0/7/130739570/luvagama.pdf
- http://pepugexu.theguardianofnature.org/uploads/1/3/1/6/131606289/8648481.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0429/7824/6815/files/66278714082.pdf
- https://cdn.shopify.com/s/files/1/0439/2773/2379/files/67340510175.pdf
- https://cdn.shopify.com/s/files/1/0428/6365/7119/files/w_w_w_ka_full_form.pdf
- https://cdn.shopify.com/s/files/1/0429/7093/9541/files/fovobuwodazovaruxan.pdf
- https://cdn.shopify.com/s/files/1/0429/1048/2588/files/osrs_fishing_guide_wiki.pdf
- https://cdn.shopify.com/s/files/1/0435/4077/5064/files/winogewixomowetimax.pdf
- https://cdn.shopify.com/s/files/1/0433/3748/2405/files/67199632903.pdf
- https://cdn.shopify.com/s/files/1/0435/8999/2616/files/fexamulipurilexija.pdf
- https://cdn.shopify.com/s/files/1/0436/7328/8869/files/89649993396.pdf
- https://cdn.shopify.com/s/files/1/0432/3459/0878/files/67057253065.pdf
- https://cdn.shopify.com/s/files/1/0437/1234/8315/files/reddit_tick_tock_manitowoc.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005f5e.bin5f961ad5c58147c5a8c0ea95d4e8d79b5a65d12cc9f067f57d0a89cc3c94158c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5F5E | 5324 bytes |
font_01_sfnt_off00007180.bind2897be7ecde04ed6447dac5cdea36258b9b3707e7b470068e6442bf4d8aa1c9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7180 | 4876 bytes |
font_02_sfnt_off00008394.bind66c37b6655d69e15de341d072b7917188f987cc80d7f873dd37cea7f2b0e681 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8394 | 10476 bytes |
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