MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a malicious redirector URL disguised as an answer key for a game, which is a common SEO poisoning tactic. The heuristic firings confirm the presence of malicious redirector links and a link farm, indicating an attempt to drive traffic to malicious infrastructure. While the document body is heavily obfuscated, the embedded URL and heuristic findings strongly suggest a phishing or redirection attack.
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=pictoword+level+160+answer+key
- http://files.usitns.com/uploads/1/3/2/6/132682882/4908066.pdf
- http://gekiralo.noreencoup.com/uploads/1/3/1/0/131070161/991762.pdf
- http://feboku.solvibrationstravel.com/uploads/1/3/2/6/132682883/rulis.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0434/8638/0197/files/38828375900.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/62856854762.pdf
- https://cdn.shopify.com/s/files/1/0434/7500/9696/files/estres_en_el_ambito_laboral.pdf
- https://cdn.shopify.com/s/files/1/0431/0663/1833/files/l_analyse_de_la_boite_a_merveille.pdf
- https://cdn.shopify.com/s/files/1/0430/0819/6767/files/dutexabe.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/marifurozijuzaledenikegi.pdf
- https://cdn.shopify.com/s/files/1/0447/2376/5402/files/17325174920.pdf
- https://cdn.shopify.com/s/files/1/0432/3396/8287/files/41784756224.pdf
- https://cdn.shopify.com/s/files/1/0434/4391/2856/files/57214923196.pdf
- https://cdn.shopify.com/s/files/1/0437/6441/6661/files/rimibamijeravujoxa.pdf
- https://cdn.shopify.com/s/files/1/0433/7801/6406/files/40482050816.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_off000063c2.bin5148583b2ab6b4e7ac57db873aa16d4c6e802fb50af1e2599c677fb0ca63b208 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x63C2 | 5600 bytes |
font_01_sfnt_off000076f3.bin19587d7ab04951dfd7e871dfb6c5fc440f8d1e72014224c902fd62fc4d47bb63 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x76F3 | 10112 bytes |
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