MALICIOUS
174
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a malicious redirector link that leads to a link farm of other PDFs, likely as part of a SEO poisoning or spam campaign. The document body and embedded links suggest a lure to trick users into clicking through to potentially malicious content. The ML classifier strongly flagged this PDF as malicious.
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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Callback phishing phone lure medium SE_CALLBACK_LUREDocument asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
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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.com/pify?keyword=crossword+answer+for+midday+repast
- http://files.skyhighvault.com/uploads/1/3/2/6/132682966/noterono-bikok-lexagulazav.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0429/9826/8065/files/zidedomakutularowixu.pdf
- https://cdn.shopify.com/s/files/1/0430/0469/0581/files/75370111210.pdf
- https://cdn.shopify.com/s/files/1/0431/0935/1585/files/light_novel_arifureta_bahasa_indonesia.pdf
- https://cdn.shopify.com/s/files/1/0451/2360/0538/files/vastu_shastra_movie_720p.pdf
- https://cdn.shopify.com/s/files/1/0431/0489/5143/files/nirefesoxepug.pdf
- https://cdn.shopify.com/s/files/1/0430/1104/7575/files/ftb_academy_mod_list.pdf
- https://cdn.shopify.com/s/files/1/0435/9972/4702/files/tewagesudakir.pdf
- https://cdn.shopify.com/s/files/1/0431/5817/5906/files/parenti_blackshirts_and_reds.pdf
- https://cdn.shopify.com/s/files/1/0433/7342/8888/files/mixededezanugawufi.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_off000040d4.bin11652716384bcb3f3a354732c175cd189d24904594e60a4970137f24e513fc42 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x40D4 | 5256 bytes |
font_01_sfnt_off000052b4.binec066cc6a386ae2678a6aa9ba224117bbb09d23a675c77c28bd707eabc15e098 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x52B4 | 10072 bytes |
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