MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file contains multiple embedded URLs, with one identified as a malicious redirector. The heuristic 'PDF_MALICIOUS_REDIRECTOR_LINK' indicates that the URL https://ttraff.cc/pify?keyword=operational+amplifier+with+linear+integrated+circuits+stanley+pdf is part of a known malicious infrastructure. The document body, though heavily obfuscated, also contains this URL, suggesting it is intended to be presented to the user. The presence of a 'PDF_SEO_LINK_FARM' heuristic further supports the malicious intent, indicating the PDF is used to generate traffic to external sites. No scripts were extracted from this sample.
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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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.cc/pify?keyword=operational+amplifier+with+linear+integrated+circuits+stanley+pdf In PDF document text
- http://files.wiseguyofficial.com/uploads/1/3/0/9/130969545/duxufonizesuzu.pdfIn PDF document text
- http://navoda.alexisangels.net/uploads/1/3/2/8/132815176/fokudozejamune_pitimepuzus_tileko_loxawelimudiri.pdfIn PDF document text
- http://totikote.rycroftlabradors.com/uploads/1/3/1/4/131407995/merog.pdfIn PDF document text
- http://files.whshuskymusic.com/uploads/1/3/1/4/131454733/7243461.pdfIn PDF document text
- http://bijabevaz.therapyinnovations.net/uploads/1/3/2/3/132303189/7696333.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/1/0431/0145/4500/files/14551801605.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4768/2201/files/modawaki.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6542/5570/files/27731508913.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0450/4210/6518/files/68994068396.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/8863/4263/files/74887447642.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/7214/3001/files/advocates_act_laws_of_kenya.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7694/4033/files/pekum.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5459/5224/files/61967105273.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/3448/3616/files/gumubumozafinegopumum.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8323/5489/files/vupuwebalor.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5214/6587/files/how_to_filter_espn_articles_by_date.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/1992/6679/files/pevirugezafagunibajaze.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_off0000558a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x558A | 5788 bytes |
SHA-256: 812c39a9386ee7d59522b9955d39cd6f3ef7b738c16d3e053c6e3e2b2d3bd037 |
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font_01_sfnt_off00006922.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6922 | 10668 bytes |
SHA-256: bcfafaf5be8fc033b70bc0f37ebe7146fc0639158e5929a50c02734b4d3252e8 |
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