MALICIOUS
254
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
T1204.001 User Execution: Malicious Link
T1598.003 URL/Domain Information Gathering: Link Shortening
This PDF document contains embedded links that redirect to malicious infrastructure, specifically masquerading as an 'Amazon chat history customer service' lure. The document also includes a callback phishing lure, prompting users to call a phone number. The presence of numerous external PDF links suggests a link farm for SEO manipulation or to distribute further malicious content.
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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Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LUREDocument gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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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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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://cctraff.ru/aws?keyword=amazon+chat+history+customer+service In PDF document text
- https://puvujoda.weebly.com/uploads/1/3/4/3/134326666/8581223.pdfIn PDF document text
- https://s3.amazonaws.com/tetazino/59165648875.pdfIn PDF document text
- https://s3.amazonaws.com/dinilederu/66865504270.pdfIn PDF document text
- https://gabexilo.weebly.com/uploads/1/3/4/1/134109250/bf4882.pdfIn PDF document text
- https://s3.amazonaws.com/jidosatikim/78416912186.pdfIn PDF document text
- https://s3.amazonaws.com/bakoloj/math_for_machine_learning_richard_han_download.pdfIn PDF document text
- https://s3.amazonaws.com/numegubowalonan/79483368599.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://cdn.shopify.com/s/files/1/0266/9350/1106/files/21698187701.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/a7168b91-25ba-47e7-9508-56aad1146232/47395753536.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0268/8077/0224/files/15486227764.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ffa55514-ce14-4283-99c5-15a58a4475c7/nikademorewubodowow.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/62a546dd-c34b-44d1-a6e0-241905d8ac1a/20565453645.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://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
- http://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
stream_006_off0000a8fa.bin |
decompressed-pdf-stream | PDF FlateDecoded stream at offset 0xA8FA | 22828 bytes |
SHA-256: eeb692044f5d80d83ed29d21a07bfe1c412aeb22f9bd42ff0b1ff5d147d23a5c |
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font_00_sfnt_off000071e6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x71E6 | 5208 bytes |
SHA-256: 1919e09729542e4c8af64f3e371d3d9ac20c8ba3e183db47c556ac321509843a |
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font_01_sfnt_off0000837d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x837D | 10996 bytes |
SHA-256: c6aebe56aeb4f67fa0c44771b392b2cabc79ae7f08a504e23687fc7358ed3141 |
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