MALICIOUS
214
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.001 Malicious Link
T1059.001 PowerShell
The PDF contains a critical heuristic firing for a malicious redirector link pointing to 'https://ttraff.ru/pify?keyword=guide+to+networking+essentials+7th+edition'. Additionally, it exhibits characteristics of a PDF SEO link farm, with numerous embedded links, including one to 'https://cdn.shopify.com/s/files/1/0435/1829/6228/files/wavazona.pdf'. The document body also contains text suggesting a lure related to a networking guide, and a medium heuristic indicates a callback phishing or tech-support scam pattern. No scripts were extracted from this sample.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 6
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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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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.ru/pify?keyword=guide+to+networking+essentials+7th+edition In PDF document text
- http://files.1flyguru.com/uploads/1/3/1/4/131454012/vizavamuminin_kemasixi_meruwedivowiki_jitolevakizesoz.pdfIn PDF document text
- http://files.ahgu.net/uploads/1/3/2/3/132303035/6713405.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/1/0435/1829/6228/files/wavazona.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0451/1229/5589/files/40827871844.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/5690/6911/files/nikujavuduvuwiwemawofizo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/5181/7883/files/xuxojuramupagepezapemasu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3953/8851/files/vanefejuforetud.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0454/7385/7686/files/star_spangled_banner_lyrics_printable.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7864/7957/files/vype_epen_3_user_guide.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1734/6976/files/vigew.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/3133/0969/files/19720676873.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/7097/9238/files/16569986396.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5109/8007/files/import_illustrator_layers_into_after_effects.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_off00004527.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4527 | 5356 bytes |
SHA-256: 02e893d063412a1f7d84ab354d06f37251bbee7459eb3d879cf0437db5f69a46 |
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font_01_sfnt_off00005771.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5771 | 10108 bytes |
SHA-256: 505fb2b7a020c32ecc285cb6e62b8af9d9eae746899a2932c269c3c3e234c1a5 |
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