MALICIOUS
184
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded links, including a known malicious redirector at https://ttraff.cc/wb?keyword=parkinson%20gpc%20pdf. The ML classifier also strongly indicated maliciousness. The document body appears to be obfuscated or corrupted, but the presence of numerous links suggests a link farm or redirection attack designed to lead users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 5
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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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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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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/wb?keyword=parkinson%20gpc%20pdf In PDF document text
- http://files.caribbeanwesleyan.org/uploads/1/3/1/6/131606720/mobuk_tasusifuje.pdfIn PDF document text
- http://files.arvadaconcrete.org/uploads/1/3/1/6/131606173/minov.pdfIn PDF document text
- http://files.coflats.net/uploads/1/3/0/9/130969986/842ed3ac597.pdfIn PDF document text
- http://files.drawntolead.org/uploads/1/3/2/6/132696155/3601c785951463d.pdfIn PDF document text
- http://files.peakhealthcaremaryland.com/uploads/1/3/1/4/131406816/rizapisopasiraluzoga.pdfIn PDF document text
- http://files.thebetterbrasspipe.com/uploads/1/3/2/7/132740218/daf3e1d8396c143.pdfIn PDF document text
- http://files.zsystemsorder.com/uploads/1/3/0/7/130739503/1818911.pdfIn PDF document text
- http://files.silkbridaleaston.com/uploads/1/3/1/3/131384495/29d31933348.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://vipisaga.files.wordpress.com/2020/07/48294626317.pdfIn PDF document text
- https://bazazexa.files.wordpress.com/2020/06/57769237998.pdfIn PDF document text
- https://wovabaximiro.files.wordpress.com/2020/07/tamamavof.pdfIn PDF document text
- https://ramebojuje.files.wordpress.com/2020/07/dowediguvogorelopapevomi.pdfIn PDF document text
- https://vigesewidep.files.wordpress.com/2020/06/91210442404.pdfIn PDF document text
- https://vugifiwa.files.wordpress.com/2020/07/64358973154.pdfIn PDF document text
- https://kesegomub.files.wordpress.com/2020/07/vegodogexomowilowab.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/xutuxajaz.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/nifafujejugafux.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/25322908130.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/sivezijikok.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/3713/0914/files/rinexowaroregitidedojan.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/37263727017.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006dbb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6DBB | 4944 bytes |
SHA-256: 64b2b82de8c0bcf1184354d9f161ff20e45c111957182360b90286d7e41dedf0 |
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font_01_sfnt_off00007e87.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7E87 | 10320 bytes |
SHA-256: 68428f1a768c4b7f75cf2c86eece0161b9494e8092284779d007823d19232f8e |
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