MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous links, including one pointing to a known malicious redirector, suggesting an attempt to drive traffic to malicious sites. The heuristic firings indicate this PDF is part of a link farm, likely for SEO manipulation. While no scripts were extracted, the embedded URLs and the nature of the heuristics strongly suggest a malicious intent to redirect users.
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.ru/pify?keyword=comparative+and+superlative+adjectives+worksheet+pdf+with+answers
- http://files.cldrecords.com/uploads/1/3/1/6/131636841/bukojawite.pdf
- http://ligiw.nakedvanity.co/uploads/1/3/1/8/131871864/5174916.pdf
- http://files.asrar103.com/uploads/1/3/0/7/130739126/gesixi-pupakikafutax-nufenagunudux-sokod.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0431/4500/3169/files/21189861653.pdf
- https://cdn.shopify.com/s/files/1/0428/9875/1641/files/xudujudafazowokusapulop.pdf
- https://cdn.shopify.com/s/files/1/0434/0265/7957/files/words_their_way_elementary_spelling_inventory.pdf
- https://cdn.shopify.com/s/files/1/0429/1143/2857/files/nec_2008_handbook_download_free.pdf
- https://cdn.shopify.com/s/files/1/0432/8026/9477/files/xegolivapokos.pdf
- https://cdn.shopify.com/s/files/1/0429/8535/7463/files/29246645352.pdf
- https://cdn.shopify.com/s/files/1/0437/0874/3834/files/minecraft_cops_and_robbers_map.pdf
- https://cdn.shopify.com/s/files/1/0428/4953/4111/files/index_of_prison_break_season_5.pdf
- https://cdn.shopify.com/s/files/1/0434/7871/2472/files/15013828469.pdf
- https://cdn.shopify.com/s/files/1/0431/1888/7068/files/99336185021.pdf
- https://cdn.shopify.com/s/files/1/0434/2287/5797/files/nikitixaw.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_off00004452.binb37500ff38620b5fa15fdccca8bb0099a8a11e3c0b668069c091c75d4ae8c223 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4452 | 5592 bytes |
font_01_sfnt_off0000573f.bin089b2161124745fc9edc495022b4798ff93bb18c47a274b5604fc962790e4969 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x573F | 9824 bytes |
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