MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains numerous embedded links, a technique often used for SEO poisoning or to direct users to malicious sites. One critical heuristic identified a link to a known malicious redirector at 'https://ttraff.ru/wb?keyword=le%20bescherelle%20conjugaison%20pdf'. While many other links point to benign Shopify domains, the presence of the malicious redirector is a strong indicator of malicious intent. The document body, though heavily obfuscated, contains references to the redirector URL and other PDF links, suggesting a coordinated effort to drive traffic 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.ru/wb?keyword=le%20bescherelle%20conjugaison%20pdf In PDF document text
- http://sutib.seekhaven.org/uploads/1/3/1/6/131606938/fawufixodireloparupo.pdfIn PDF document text
- http://files.westvalleyfamiliesestrella.com/uploads/1/3/2/8/132815123/1892165.pdfIn PDF document text
- http://files.peterson-equipment.com/uploads/1/3/2/6/132682790/4bfbacaebb4d.pdfIn PDF document text
- http://tutimule.lhjhchoir.com/uploads/1/3/2/7/132740850/2505869.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/1/0433/6910/3528/files/43358598860.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0449/8427/1016/files/84304415738.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/0279/6964/files/catholic_symbols_and_meanings.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0450/7769/2581/files/types_of_taxonomic_characters.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/7633/7318/files/pokaxalatoworuporipizawu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/4836/9319/files/saraze.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/7311/7086/files/91505765947.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1751/8751/files/sumifivugipediri.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/2030/3006/files/12092210711.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/5127/6696/files/jusisaposokimerufobarupe.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0737/6534/files/e5_a4_a9_e6_b0_a3.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/8845/4559/files/60563176910.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/4494/4542/files/34053754617.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/sarozasupevukofapunaxovu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/2998/7489/files/electrical_systems_design_book.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
🗂 Part of campaign:
peterson-equipment.com
3 samples
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00004ca6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4CA6 | 5376 bytes |
SHA-256: 73d819124f1432096304a0bf34471ba6a4b52c957711900a9fe9abf0c0310a1a |
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font_01_sfnt_off00005ed4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5ED4 | 11124 bytes |
SHA-256: d35a9c1430f8123fe1089617db44ca730f7176a49b23bac492f4a1168efcc091 |
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font_02_sfnt_off00008400.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8400 | 4324 bytes |
SHA-256: 7f6049e5011acf0e8581793f2bc2bb947aac2929fdb77abc318b2a6155c1ef71 |
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