MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded links, with one specifically pointing to a known malicious redirector. The document body, though heavily obfuscated, contains a URL that matches the malicious redirector, suggesting an attempt to direct users to malicious infrastructure. The presence of a large number of external PDF links further indicates a link farm or SEO manipulation tactic.
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=york+ymc2+chiller+installation+manual
- http://xakewa.fgcschool.org/uploads/1/3/1/0/131070487/dilefafere-duxeso-rokomaza-baredozar.pdf
- http://files.ratiocoffee.ca/uploads/1/3/1/3/131381607/02d2e1c0d7579.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0429/7624/7971/files/64878068407.pdf
- https://cdn.shopify.com/s/files/1/0428/8649/6415/files/musolibejufe.pdf
- https://cdn.shopify.com/s/files/1/0440/5932/8662/files/55178672508.pdf
- https://cdn.shopify.com/s/files/1/0428/4219/4083/files/72445681753.pdf
- https://cdn.shopify.com/s/files/1/0430/7822/1973/files/mamob.pdf
- https://cdn.shopify.com/s/files/1/0428/7676/4327/files/xagaf.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/45292738862.pdf
- https://cdn.shopify.com/s/files/1/0439/0204/2280/files/ielts_reading_passage_practice.pdf
- https://cdn.shopify.com/s/files/1/0430/9227/9445/files/66527343717.pdf
- https://cdn.shopify.com/s/files/1/0430/9496/6436/files/lopejupavolevikukufepin.pdf
- https://cdn.shopify.com/s/files/1/0433/7877/0076/files/rirolemezopil.pdf
- https://cdn.shopify.com/s/files/1/0434/1124/3162/files/how_ecg_machine_works.pdf
- https://cdn.shopify.com/s/files/1/0435/9153/2699/files/dofiverezasewe.pdf
- https://cdn.shopify.com/s/files/1/0434/3165/7638/files/6077856318.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_off000057c3.bin4b900b8780f8158d497b5b84d0c48e1c726e2f9e2a5ba09b4a58c02ebab4dbd7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x57C3 | 5300 bytes |
font_01_sfnt_off000069a2.bin1c44a27063a5be8bcdefa4cff8f4c528f6d974750383c0258c399ce4fd7c2d3a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x69A2 | 11160 bytes |
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