MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains multiple embedded links, with one specifically pointing to known malicious redirector infrastructure. The document body, though heavily obfuscated, contains the URL 'https://cctraff.ru/123?keyword=bio+study+guide+final', which is flagged as malicious. The presence of a large number of external PDF links suggests a link farm or SEO poisoning attempt, further indicating malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 4
-
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.
-
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.
-
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.
-
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://cctraff.ru/123?keyword=bio+study+guide+final
- https://cdn-cms.f-static.net/uploads/4367940/normal_5f8b57748ffab.pdf
- https://xitofubipu.weebly.com/uploads/1/3/4/3/134375163/zuporabifugakolit.pdf
- https://digonowokeke.weebly.com/uploads/1/3/1/8/131856318/valedakivoxi.pdf
- https://morupataniseb.weebly.com/uploads/1/3/4/5/134502176/6584518.pdf
- https://cdn-cms.f-static.net/uploads/4369308/normal_5f8d09c871976.pdf
- https://winomumamo.weebly.com/uploads/1/3/1/0/131070375/budonegeside-wewewumil-walewe-welazofilekel.pdf
- https://deruwatago.weebly.com/uploads/1/3/4/0/134096830/zadoboloteb.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://s3.amazonaws.com/xetasif/nj_court_rules_time_to_answer_complaint.pdf
- https://s3.amazonaws.com/jonora/word_that_start_with_s_and_ends_with_r.pdf
- https://s3.amazonaws.com/gotijejaj/opposite_words_in_english_a_to_z.pdf
- https://s3.amazonaws.com/zopamagiguti/ramadan_2020_nj.pdf
- https://s3.amazonaws.com/regegozumekoza/69766846477.pdf
- https://s3.amazonaws.com/muxegeza/the_caucasian_chalk_circle_play.pdf
- https://s3.amazonaws.com/jepavilutabilel/aoac_official_methods_of_analysis_2005.pdf
- https://s3.amazonaws.com/mejados/mizuxemiwiw.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_off000064ea.binab0bb634da31047f32c41faf2f0835277b0e10f784ba55f69cece25f24ac16b6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x64EA | 5128 bytes |
font_01_sfnt_off00007683.bin98fa1423ecee8e4c2b75e7bad73982973529ef6a67466ebd66dee50547f75665 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7683 | 9920 bytes |
Open this report in the interactive analyzer, or submit your own file for analysis.