MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a significant number of embedded links, with at least one pointing to a known malicious redirector. The ML classifier also strongly indicated maliciousness. The document body, though heavily obfuscated, contains the URL https://ttraff.ru/pify?keyword=barter+other+forms, which is flagged as 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.ru/pify?keyword=barter+other+forms
- http://fanujik.integrativeneurostim.org/uploads/1/3/1/4/131408024/gufagiritem.pdf
- http://files.amsphotographyllc.net/uploads/1/3/2/6/132683111/jaraditopine.pdf
- http://files.floralnotesbyd.com/uploads/1/3/1/4/131453068/9225e.pdf
- http://files.newmarkethanaiohana.com/uploads/1/3/0/8/130814205/5168271.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0429/1382/4927/files/reading_and_writing_skills_grade_11_teacher_s_guide.pdf
- https://cdn.shopify.com/s/files/1/0439/3294/2504/files/69309297852.pdf
- https://cdn.shopify.com/s/files/1/0434/2457/9736/files/42259443029.pdf
- https://cdn.shopify.com/s/files/1/0431/8950/2110/files/quran_download.pdf
- https://cdn.shopify.com/s/files/1/0451/6734/5818/files/85442991341.pdf
- https://cdn.shopify.com/s/files/1/0431/6590/9160/files/31713145498.pdf
- https://cdn.shopify.com/s/files/1/0432/7912/2587/files/19832748940.pdf
- https://cdn.shopify.com/s/files/1/0436/1961/4884/files/restaurant_homard_bleu_le_treport.pdf
- https://cdn.shopify.com/s/files/1/0430/7058/7029/files/nigerian_navy_aptitude_test_past_questions_and_answers_free.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_off00009ef0.binfa93619e24f7e2b528132a7c0637e327120f5f37450435f89cf6a100702f0803 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9EF0 | 5024 bytes |
font_01_sfnt_off0000afe2.binb278a26393e1102c0c3cfa85b2e4471a4d38f772de8ebf046b408447daf26aee |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAFE2 | 14952 bytes |
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