MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded links, with one identified as a malicious redirector. The document body, though heavily obfuscated, contains text related to 'cation exchange capacity' and includes the malicious URL, suggesting a lure to a site that likely hosts further malicious content or phishing pages. The ML classifier also strongly indicated maliciousness.
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=cation+exchange+capacity+pdf
- http://pusiv.paintcakes4kids.com/uploads/1/3/2/3/132303382/5776993.pdf
- http://files.meltingtundra.com/uploads/1/3/2/6/132681771/libugabagigad.pdf
- http://jikelenur.missuniversevietnam2019.com/uploads/1/3/0/7/130739278/496a8.pdf
- http://fovor.miyakostudio.com/uploads/1/3/0/8/130813747/kozuveluzi-xosodezitex.pdf
- http://sewaduma.681group.com/uploads/1/3/0/7/130776277/d1fcd23468636.pdf
- https://cdn.shopify.com/s/files/1/0440/0391/7974/files/72657190699.pdf
- https://cdn.shopify.com/s/files/1/0429/5992/9503/files/teachers_day_speech_in_kannada.pdf
- https://cdn.shopify.com/s/files/1/0434/6265/6152/files/dead_or_alive_xtreme_3_digital.pdf
- https://cdn.shopify.com/s/files/1/0434/1648/6040/files/83108715915.pdf
- https://cdn.shopify.com/s/files/1/0440/3717/7494/files/vaxupezajoxolavosafaful.pdf
- https://cdn.shopify.com/s/files/1/0430/4365/1735/files/regadogepowunu.pdf
- https://cdn.shopify.com/s/files/1/0434/9103/3250/files/36231162360.pdf
- https://cdn.shopify.com/s/files/1/0437/0500/8293/files/antibiotic_treatment_strategies_for_community_acquired_pneumonia_in_adults.pdf
- https://cdn.shopify.com/s/files/1/0427/6033/9623/files/wuzadoxebunuzokofedimajif.pdf
- https://cdn.shopify.com/s/files/1/0437/8460/1758/files/9773576066.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_off00007639.bincb3a95255bc2f96585207359ac8e40a4abe718a0a5f40df9ccacf6b826cdefc8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7639 | 5188 bytes |
font_01_sfnt_off000087ed.bin4dcf5a604050b9fad8c0257e192d5b6bc4d650cb2ed0581134ae33714ca11581 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x87ED | 10448 bytes |
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