MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded links, with a critical heuristic identifying a link to known malicious redirector infrastructure. The document body, though partially corrupted, contains text related to 'Hd background free photo' and includes the malicious URL, suggesting a lure to a scam or phishing site. The presence of a large number of external PDF links further indicates a link farm, likely for SEO manipulation or to distribute further malicious content.
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.club/wix?keyword=hd+background+free++photo
- http://files.cassidyforcc.com/uploads/1/3/2/6/132680994/5787021.pdf
- http://menofineb.maltingsstructures.com/uploads/1/3/0/7/130775818/1180863.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0431/3382/9277/files/mibap.pdf
- https://cdn.shopify.com/s/files/1/0448/3540/5986/files/adenosina_farmaco.pdf
- https://cdn.shopify.com/s/files/1/0432/8760/9497/files/atm_card_application_form_for_iob.pdf
- https://cdn.shopify.com/s/files/1/0428/6890/0006/files/84424859799.pdf
- https://static.usrfiles.com/ugd/4c4e45_6fc8a54ab4224c4c8ea43924c34f82ee.pdf
- https://static.usrfiles.com/ugd/1cc7e8_0f0114984fb94dec9c040bc89da3d5a9.pdf
- https://static.usrfiles.com/ugd/9f06f8_b48badb3b05847a6b858719f7fbe0058.pdf
- https://static.usrfiles.com/ugd/fe0276_fa8763940f9143f7ae735b3aa1f950ac.pdf
- https://static.usrfiles.com/ugd/09273f_cd41635ce82f4e01a8bf937715e5ac8b.pdf
- https://static.usrfiles.com/ugd/564d2e_65561e06893c41348476dfa588280d1c.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_off00005769.binc58a8a9982ce8c51e010c3fbad9680482f9830967de84cee0c481889b1e09fdf |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5769 | 5372 bytes |
font_01_sfnt_off000069a7.bin14e1cf79b4b1e4b7bc9c5dc33efb551986df02eed526d5bf08b89fb3bd9d5d61 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x69A7 | 10460 bytes |
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