MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file contains a heuristic firing for a malicious redirector link, pointing to 'https://ttraff.ru/wb?keyword=tensiometro%20manual%20mercadolibre'. Additionally, it exhibits characteristics of a link farm, with numerous embedded URLs, many hosted on Shopify. The document body, though heavily obfuscated, also contains the primary malicious URL. The combination of these factors strongly suggests a phishing or redirection attempt.
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=tensiometro%20manual%20mercadolibre In PDF document text
- http://files.sogchurch.net/uploads/1/3/1/4/131407944/zevajawewe_zoxidot_xoxajib.pdfIn PDF document text
- http://files.peachrent.com/uploads/1/3/2/7/132741144/puzaletixevewenoz.pdfIn PDF document text
- http://files.whiteschapelumc.com/uploads/1/3/1/4/131438718/kesipesunijejo_motiwinatinam.pdfIn PDF document text
- http://files.timkentart.com/uploads/1/3/0/7/130776075/7659163.pdfIn PDF document text
- http://files.dunkislandviewcaravanpark.com/uploads/1/3/1/4/131437453/bifexaji.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/1/0428/5395/7799/files/gelivibojojakafefuwe.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/9902/7611/files/blank_calendar_september_2020_printable.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2032/8864/files/67256100121.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/3749/1354/files/37624166367.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0083/9842/files/how_much_have_you_spent_on_league.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/8539/7152/files/kasupunofisexisoja.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/7315/8821/files/23748908774.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/3641/5899/files/jiwewupa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/3659/7654/files/walaledavesaduwomame.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/dotalufakelani.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0923/6374/files/47764256451.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9703/0817/files/95327745256.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/3441/8072/files/76133877033.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/1313/4757/files/84462129027.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_off00007741.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7741 | 5176 bytes |
SHA-256: 282684c9c2ca18318e505fb308ef78adeb3eefc05ff17496d13fb1f0b7134e46 |
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font_01_sfnt_off000088b5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x88B5 | 11652 bytes |
SHA-256: 91df84b79db883900a25c9314999e5ba0388b4ed2cebb9dd824b0cb7314e4b3f |
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