MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document is classified as malicious due to its extensive use of SEO redirectors and a link farm, pointing to numerous other PDF files. The primary redirector URL is https://ttraff.ru/wb?keyword=macbeth%20test%20questions%20and%20answers%20pdf, which likely serves as a lure for phishing or malware distribution. The ML classifier strongly supports the malicious nature of this file.
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.ru/wb?keyword=macbeth%20test%20questions%20and%20answers%20pdf In PDF document text
- http://files.joyandmarquette.org/uploads/1/3/2/8/132814272/6430349.pdfIn PDF document text
- http://files.monroecountykychamber.com/uploads/1/3/1/0/131071295/ponerewesesaw.pdfIn PDF document text
- http://files.thelostartoffemininity.com/uploads/1/3/0/9/130969772/1bf93ebba0976d.pdfIn PDF document text
- http://files.carnegiehouse.co.za/uploads/1/3/0/7/130775080/385af39e3d09.pdfIn PDF document text
- http://files.brianmorrisphotography.com/uploads/1/3/0/7/130775171/62d24.pdfIn PDF document text
- http://files.peterpax.com/uploads/1/3/0/8/130813269/8040566.pdfIn PDF document text
- http://files.susangsterrett.com/uploads/1/3/1/3/131380476/441203.pdfIn PDF document text
- http://files.asisproperties.com/uploads/1/3/1/4/131453024/922a52f0b4.pdfIn PDF document text
- http://files.nyacuchiro.com/uploads/1/3/2/6/132680874/d46b5.pdfIn PDF document text
- http://files.reneeheissart.com/uploads/1/3/1/6/131637307/zasobusopano.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://zinisarov424395058.files.wordpress.com/2020/06/xutevenevalupi.pdfIn PDF document text
- https://gusuwabawujo.files.wordpress.com/2020/06/59158336084.pdfIn PDF document text
- https://jiwuvef.files.wordpress.com/2020/07/53660154241.pdfIn PDF document text
- https://wakoloru.files.wordpress.com/2020/06/84860743390.pdfIn PDF document text
- https://jidibabeja.files.wordpress.com/2020/06/66064096008.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3025/7568/files/mepidupekewevinawitini.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/gojifazuxosupimuron.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8933/0330/files/7811470552.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0610/7552/files/firirobeluposidofatef.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/serananovuja.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0700/0219/files/wopilinoxaw.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/2805/4169/files/71910939430.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/57955619809.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_off00006b8e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6B8E | 5456 bytes |
SHA-256: 770b002fde0168b044edd3d77b4ddb55fa0aa7d68e5e575739ca31e8176ba41c |
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font_01_sfnt_off00007e18.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7E18 | 10004 bytes |
SHA-256: 6661f78a9248b6713399c5d6d356162d158e0fc9ebc46d548ee4f76703e9a158 |
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