MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file contains a large number of embedded links, many of which point to a redirector service known for malicious activity. The ML classifier also strongly indicated maliciousness. The document body, though heavily obfuscated, contains the primary malicious URL and appears to be a lure for users to click on these links, likely leading to further compromise.
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=atresia+de+esofago+en+recien+nacidos+pdf
- http://nisomo.tpched.org/uploads/1/3/0/7/130775493/wuvuzosedadugamiw.pdf
- http://files.gabriellemyers.com/uploads/1/3/1/4/131437878/raxeposolowunas_tiwuj_wizukipevibexe_tanofopepimu.pdf
- http://files.mckaychurchsupply.com/uploads/1/3/1/4/131438477/zovevup-jozajidakokulub.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0438/4374/7990/files/zefevodo.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/kevimofurerofujasopam.pdf
- https://cdn.shopify.com/s/files/1/0434/2841/3607/files/random_color_python.pdf
- https://cdn.shopify.com/s/files/1/0430/0737/7567/files/libros_apologetica_cristiana.pdf
- https://cdn.shopify.com/s/files/1/0437/7706/5121/files/family_outing_eng_subbed.pdf
- https://cdn.shopify.com/s/files/1/0434/7065/1542/files/go_math_8th_grade_answers.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/61403973964.pdf
- https://cdn.shopify.com/s/files/1/0431/6063/3504/files/beramojejop.pdf
- https://cdn.shopify.com/s/files/1/0429/3646/7623/files/piccadilly_line_map.pdf
- https://cdn.shopify.com/s/files/1/0435/4015/2479/files/buretadaxapop.pdf
- https://cdn.shopify.com/s/files/1/0437/0484/4442/files/33973552202.pdf
- https://cdn.shopify.com/s/files/1/0438/4777/8469/files/31469789442.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_off00005ea2.bina4421c9fefff7bac08ced591f44cc1c9637e6f69ab715a739d23ad0ec0b31a59 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5EA2 | 5280 bytes |
font_01_sfnt_off000070ae.bin14418116c703731799b5e3e59cbd81fc2be82be1842ca33d18cf95b8bc6f53a8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x70AE | 11452 bytes |
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