MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a link farm designed to redirect users to malicious infrastructure, as indicated by the PDF_MALICIOUS_REDIRECTOR_LINK heuristic. The document body, though heavily obfuscated, contains the URL https://ttraff.cc/pify?keyword=report+card+comments+for+struggling+students, which is a known malicious redirector. This suggests an attempt to lure users to a malicious site under the guise of providing educational content.
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.cc/pify?keyword=report+card+comments+for+struggling+students
- http://files.awha.org/uploads/1/3/1/4/131437948/dobara_zajefuzar_tipefoxagokof.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0449/4236/0744/files/simple_sql_tutorial.pdf
- https://cdn.shopify.com/s/files/1/0439/5650/2686/files/alanine_aminotransferase_test.pdf
- https://cdn.shopify.com/s/files/1/0433/8856/7706/files/detail_magazine_online.pdf
- https://cdn.shopify.com/s/files/1/0440/8786/9592/files/47103434376.pdf
- https://cdn.shopify.com/s/files/1/0432/6732/6110/files/chirru_kannada_movie_songs.pdf
- https://cdn.shopify.com/s/files/1/0440/9799/4904/files/coffee_bean_and_tea_leaf_menu.pdf
- https://cdn.shopify.com/s/files/1/0437/2312/8986/files/gezobogewi.pdf
- https://cdn.shopify.com/s/files/1/0437/9102/4280/files/69211838509.pdf
- https://cdn.shopify.com/s/files/1/0436/1938/5502/files/boxuxupuwiximis.pdf
- https://cdn.shopify.com/s/files/1/0430/6190/3517/files/kapor.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_off00008d2b.bincf09e5521eed29e5fbb039f329bb54bf0b17e616301736f317c9139be726a436 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8D2B | 5484 bytes |
font_01_sfnt_off00009fbe.binea1843d1119e42c28cdd1d4082ae2baa6e88e41e496ee8875361e6e56f61da93 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9FBE | 9728 bytes |
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