MALICIOUS
254
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF contains a critical heuristic indicating it links to known malicious redirector infrastructure. Additionally, it exhibits a PDF link farm and explicitly requests sensitive recovery secrets from the user. The embedded URL 'https://ttraff.ru/pify?keyword=update+node+js' is the primary indicator of malicious redirection, likely serving as a lure to a phishing or malware distribution site.
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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Recovery secret / private key request critical SE_SECRET_RECOVERY_LUREDocument requests recovery phrases, private keys, backup codes, or saved passwords. Requests for these secrets in a document are high-risk.
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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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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=update+node+js In PDF document text
- http://files.crystalriverpublishing.com/uploads/1/3/1/3/131381804/1447262.pdfIn PDF document text
- http://files.billinghurstorchestras.org/uploads/1/3/1/4/131452878/1236946.pdfIn PDF document text
- http://files.shineondyez.com/uploads/1/3/0/9/130968962/2615004.pdfIn PDF document text
- http://files.flyawaykate.com/uploads/1/3/0/8/130874317/4534322.pdfIn PDF document text
- http://files.cloudninecuisine.com/uploads/1/3/0/9/130969744/457f0.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://cdn.shopify.com/s/files/1/0430/3942/4669/files/76800861447.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/8197/1365/files/57036186655.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6382/8895/files/fiweriweleri.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7937/6798/files/halo_3_armor_generator.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/3140/3413/files/us_bank_holidays_2020.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/7099/7151/files/52214137680.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9463/8749/files/xitimozusivaxexijedi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2901/2381/files/28969823742.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/3580/4319/files/memodasorevonileruvo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/zijuk.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/3731/9590/files/duledogoxazesasulilazama.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/8039/3639/files/vumudovobawilato.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00009981.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9981 | 4632 bytes |
SHA-256: 906a70752f3c2b4ff427aeba8dee52b22c06fa46f52b2280eaf9a97ef09de87c |
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font_01_sfnt_off0000a959.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA959 | 10460 bytes |
SHA-256: d0244f29fe6619b1a8da7cb4d2ccabd20aac8357bea8be4ed6e505a856f72e47 |
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font_02_sfnt_off0000cd34.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCD34 | 4324 bytes |
SHA-256: 05d2457133b820fa77aa358e30e9acfbad3f04c46ced9a37296d9311117db176 |
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