MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a large number of embedded links, with a critical heuristic firing for a PDF link farm. One of the primary links points to a known malicious redirector. The document body, though heavily obfuscated, contains a URL that matches the malicious redirector. 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.cc/wix?keyword=cvs+near+upenn
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- http://www.daltonmaag.com/
- https://cdn.shopify.com/s/files/1/0434/4155/3575/files/tadolugenugegalumelu.pdf
- https://cdn.shopify.com/s/files/1/0431/5270/3645/files/where_is_utorrent_installed.pdf
- https://cdn.shopify.com/s/files/1/0434/5217/0406/files/tafavebafasugozedepusiju.pdf
- https://cdn.shopify.com/s/files/1/0433/6363/1272/files/revowedalojetikesep.pdf
- https://cdn.shopify.com/s/files/1/0437/2270/2999/files/58715275588.pdf
- https://static.usrfiles.com/ugd/b8c837_8e4350b43ae547118527007f65489b33.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/98690712505.pdf
- https://cdn.shopify.com/s/files/1/0435/8701/0715/files/86870233073.pdf
- https://cdn.shopify.com/s/files/1/0430/0367/4785/files/kopikenavopetefum.pdf
- https://cdn.shopify.com/s/files/1/0432/7515/7670/files/bank_management_system_project_documentation.pdf
- https://cdn.shopify.com/s/files/1/0433/2155/7147/files/dipif.pdf
- https://cdn.shopify.com/s/files/1/0428/1024/5286/files/xisuxofabum.pdf
- https://cdn.shopify.com/s/files/1/0429/6019/1641/files/suwinupexuzifibuz.pdf
- https://cdn.shopify.com/s/files/1/0432/7027/5236/files/61530580280.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005379.bin4903b140d5a414caf38f8cc3ef902f2d852bbee9bc51584270ef7b6e9ed27a20 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5379 | 4508 bytes |
font_01_sfnt_off000062c5.bindbad3c0212a09fc76b5bb1ca46e3e14a1e331f8757c7d14b3afd261d9986ab10 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x62C5 | 10604 bytes |
font_02_sfnt_off00008709.bin9f355172d696dda274cac500966718f112ce76951f19577ac4888987ea6471b2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8709 | 4324 bytes |
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