MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains numerous embedded links, with one specifically identified as a malicious redirector. The document body, though partially corrupted, contains text related to 'writing task 1 vocabulary pdf download' and the malicious URL, suggesting a lure to a phishing or malware distribution site. The ML classifier strongly supports the malicious nature of this PDF.
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=writing+task+1+vocabulary+pdf+download
- http://files.heroesbnb.com/uploads/1/3/1/3/131380842/sakulalidogi_jegabubak_telorolosa.pdf
- http://files.discover-davao.com/uploads/1/3/0/7/130740018/guparetedom_ziroduzajovig_gojiw_xukafiworazu.pdf
- http://files.paxsonscience.com/uploads/1/3/0/7/130740051/lixumuxubadud_jilubiga_gizasiwuvawev_sezexaxi.pdf
- http://tafovoler.coloradodachtoberfest.com/uploads/1/3/0/7/130739564/jitidetizusatozi.pdf
- http://files.christopherleonidas.com/uploads/1/3/1/8/131856937/63e17c5.pdf
- https://cdn.shopify.com/s/files/1/0431/5670/1348/files/rusinixobelum.pdf
- https://cdn.shopify.com/s/files/1/0434/6370/4729/files/new_words_in_english_with_meaning_in_tamil.pdf
- https://cdn.shopify.com/s/files/1/0429/8548/8543/files/23908083690.pdf
- https://cdn.shopify.com/s/files/1/0429/7441/2949/files/tobatamomaneveputavowaki.pdf
- https://cdn.shopify.com/s/files/1/0428/5366/2876/files/93443468613.pdf
- https://cdn.shopify.com/s/files/1/0431/0899/1143/files/automates_programmables.pdf
- https://cdn.shopify.com/s/files/1/0431/0515/7282/files/62704651634.pdf
- https://cdn.shopify.com/s/files/1/0431/2052/5461/files/fijati.pdf
- https://cdn.shopify.com/s/files/1/0435/0361/6165/files/biology_textbook_10th_grade.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_off00007442.binc7fce223b5de398c8d165990b6f390e3fffff3f0cc112e82781d399fb626fb58 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7442 | 5844 bytes |
font_01_sfnt_off00008860.bin8098513061f330fb5d333fa928bcbbb10031c89ab4dcb16ba67194e4e6d1c99b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8860 | 10908 bytes |
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