MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a high number of embedded links, many pointing to Shopify domains, but one critical link directs to a known malicious redirector at ttraff.com. This indicates a likely phishing or malware distribution attempt, disguised as a technical document. The ML classifier strongly supports the malicious verdict. No scripts were extracted, but the presence of the malicious redirector is sufficient evidence for the attack pattern.
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=applied+mathematics+for+electrical+engineers+notes+pdf In PDF document text
- http://files.exploretransform.com/uploads/1/3/1/4/131483184/4074219.pdfIn PDF document text
- http://files.buenavistatradingpost.com/uploads/1/3/0/7/130775701/sebedobibuxomak.pdfIn PDF document text
- http://files.theworldofmcewan.com/uploads/1/3/0/7/130738814/gibaja_tawix_wododibura_musimetal.pdfIn PDF document text
- http://lolinus.garyseast.com/uploads/1/3/1/4/131406082/691029.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/1/0431/3835/1255/files/rojipimabibo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/5131/0488/files/github_md_format.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/9799/6960/files/pairing_aba.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9201/7305/files/56078697521.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5852/7397/files/metal_forming_process_nptel.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/4180/0860/files/74734049693.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5203/9324/files/que_es_un_acta_constitutiva_de_una_empresa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/9635/8565/files/43449920661.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0023/3112/files/salosivag.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/2703/8359/files/92990313081.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7229/8913/files/bomiduriv.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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005ee5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5EE5 | 5344 bytes |
SHA-256: 9d98f8ea2c12da9df3e65465cb233212073f54385990702444e9b342d188cd8d |
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font_01_sfnt_off000070da.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x70DA | 2116 bytes |
SHA-256: 49f1c345582212729590e0456707ca92d3838aef8cba26fbcaa28f8c5b0a0640 |
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font_02_sfnt_off00007aa5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7AA5 | 14992 bytes |
SHA-256: 135af801d725f8a666d261809e87e40d9c0e1596b0668785da0d96d28c70c11f |
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font_03_sfnt_off0000a93f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA93F | 4324 bytes |
SHA-256: 1158d95dac44631f497756703988ba3645251422e7ff0015d3fca430225e7c3e |
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