MALICIOUS
222
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a link farm and a malicious redirector URL, indicating an attempt to lead the user to a malicious site. The presence of a call-to-action button and a phone number lure further suggests a phishing or scam attempt. The document body itself is heavily obfuscated and appears to contain the malicious URLs.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 7
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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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Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINKPDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
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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) or Microsoft license-boilerplate documents that carry no urgency or charge/dispute escalation.
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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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/wb?keyword=nisqually%20jail%20roster In PDF document text
- http://files.otiesummerschool.com/uploads/1/3/0/8/130874143/vofimezamonabot_rojifex.pdfIn PDF document text
- http://files.nbslswim.com/uploads/1/3/2/6/132680781/6900554.pdfIn PDF document text
- http://bizazepen.jackiespencerbeatleguide.com/uploads/1/3/1/4/131407067/9075426.pdfIn PDF document text
- http://files.gourmetpieguy.com/uploads/1/3/1/4/131407235/8689015.pdfIn PDF document text
- http://files.icthope.org/uploads/1/3/0/7/130775001/gudexigagexife-parazudu-xibuwuwud.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://static.usrfiles.com/ugd/436160_8b6f047c84c9479e8d2dc5f02eb42e6d.pdfIn PDF document text
- https://static.usrfiles.com/ugd/6dcf04_6256d33f24904ee3ad5f3285167cece3.pdfIn PDF document text
- https://static.usrfiles.com/ugd/d94ae5_baf917e1f71b4dfd9773194c6a290d1e.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/9095/9766/files/tecnologas_para_el_cero_defectos.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/1634/7035/files/99569320881.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/1823/0688/files/41411841523.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8385/8073/files/guardian_air_conditioners.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/8444/5864/files/rolosolezuwo.pdfIn PDF document text
- https://static.usrfiles.com/ugd/bc0b97_4bc606bd804c4259b77396cd94591b31.pdfIn PDF document text
- https://static.usrfiles.com/ugd/a59130_4b63469ff82349adad53f0403145ddc1.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_off00005e4c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5E4C | 4952 bytes |
SHA-256: 8b0e78a657e572ee1ee22fe9eebfb7c8a3d530be601697283799ca4b8ff603da |
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font_01_sfnt_off00006f45.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6F45 | 10676 bytes |
SHA-256: 5b80e365fbe6090108f5485c2d4fdbaa4807e3d05950e4915a21e02990fefca4 |
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