MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1200 Hardware Add-in Systems
T1059.001 PowerShell
The PDF file contains a large number of embedded links, many of which point to a known malicious redirector. The document body, though heavily obfuscated, contains the URL that triggers the malicious redirect. The primary attack vector appears to be a link farm designed to direct users to malicious infrastructure.
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.com/pify?keyword=rf+power+amplifiers+mihai+albulet+pdf In PDF document text
- http://files.chicagostatechamber.org/uploads/1/3/1/6/131606815/mofebibetaropuzonalu.pdfIn PDF document text
- http://files.able-disabled.com/uploads/1/3/1/1/131164081/molewotenulimepis.pdfIn PDF document text
- http://files.jamesapartments.cz/uploads/1/3/2/6/132680986/4708390.pdfIn PDF document text
- http://files.iyengaryoga-concord.com/uploads/1/3/2/7/132711954/sabitorimewad.pdfIn PDF document text
- http://files.xdesign4u.com/uploads/1/3/1/0/131069887/miwebew.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/1/0437/8106/2817/files/95151136965.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/5009/9107/files/sixijotirinomutidu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/4288/0160/files/2268513343.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/1320/9246/files/43382287769.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/7469/8912/files/aloe_vera_gel_forever_living.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0083/9842/files/wegidikuwideligaro.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/mefopevepal.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/0223/2983/files/pegabu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6026/5117/files/56689890284.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4610/9341/files/14658389367.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/1737/1797/files/lupebemuzifutosipilokato.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/4000/6559/files/96751410517.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/dubisetebezurazoxodo.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_off00005344.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5344 | 5296 bytes |
SHA-256: 1196264966efe96a1ae441f667b25357aa4061a230894ae116590aa7209fc064 |
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font_01_sfnt_off00006551.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6551 | 9572 bytes |
SHA-256: 99b8c05d3a230303b8de3b0c107433128cec0a236fe949d33b63996e98da80e7 |
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font_02_sfnt_off000085e5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x85E5 | 4324 bytes |
SHA-256: 0d0f64e27578eb124b8bc81c7eceacdd166e22eddd95c81328e9fbd7de2a6333 |
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