MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a malicious redirector link disguised as a quiz answer, aiming to trick the user into visiting a malicious website. The PDF also exhibits characteristics of a link farm, with numerous embedded URLs pointing to external resources. The ML classifier strongly indicated maliciousness, supporting the presence of a malicious redirector.
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=company+logo+quiz+answers+level+9
- http://files.pdxprays.com/uploads/1/3/1/3/131383018/wikixawasagi.pdf
- http://files.pljconstructioninc.com/uploads/1/3/1/4/131453247/sufakoxok.pdf
- http://files.plate-deals.com/uploads/1/3/0/7/130775707/magaw-sasivixalo-morawiled.pdf
- http://files.mjkyarchitects.com/uploads/1/3/1/6/131607363/8318575.pdf
- https://cdn.shopify.com/s/files/1/0437/2814/2501/files/resakud.pdf
- https://cdn.shopify.com/s/files/1/0436/4405/9806/files/carbonates_and_evaporites.pdf
- https://cdn.shopify.com/s/files/1/0430/4257/0402/files/sirir.pdf
- https://cdn.shopify.com/s/files/1/0431/0604/2013/files/27207799470.pdf
- https://cdn.shopify.com/s/files/1/0430/0364/2007/files/wheel_of_time_book_11.pdf
- https://cdn.shopify.com/s/files/1/0428/0349/5071/files/rapprochement_bancaire_cours_complet.pdf
- https://cdn.shopify.com/s/files/1/0432/6116/5723/files/puxosop.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/45292738862.pdf
- https://cdn.shopify.com/s/files/1/0432/7630/4544/files/espresso_english_prepositions.pdf
- https://cdn.shopify.com/s/files/1/0427/9956/2911/files/41345479162.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_off00007979.bin012b9092a86782fed13c52ddf1c93fd102beac7b329c9f7f421be3619fed8327 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7979 | 5632 bytes |
font_01_sfnt_off00008cac.bindd83fc4b0d3157c0ee45e733c6154ceff46bda5f0d1fb9ebfd0eea6475db5b53 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8CAC | 11564 bytes |
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