MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a link to a known malicious redirector, ttraff.com, which is designed to lead users to further malicious content. The document body, though heavily obfuscated, contains this URL and appears to be a lure related to 'file allocation methods in operating system pdf'. The presence of a large number of external PDF links, many pointing to Shopify domains, suggests a link farm or SEO poisoning tactic to increase visibility and traffic to the malicious redirector.
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=file+allocation+methods+in+operating+system+pdf In PDF document text
- http://files.paintandpartyindy.com/uploads/1/3/0/7/130740391/a939cc0463c57.pdfIn PDF document text
- http://files.northfieldrobotics.com/uploads/1/3/1/8/131871730/f70cef8d3f0c9c.pdfIn PDF document text
- http://koforovid.pacificnwinterclub.com/uploads/1/3/0/8/130874493/nutiwikarovas-virerivebopanab-zifoliva-lotezokuv.pdfIn PDF document text
- http://files.bwmart.pl/uploads/1/3/0/7/130740175/kajefapi.pdfIn PDF document text
- http://files.luckyhobo.com/uploads/1/3/1/3/131380992/kagus-wuwarilar.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/1/0433/0687/7080/files/52209678420.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6702/3259/files/puleloseluzuf.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/5353/1807/files/comment_apprendre_l_anglais.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/47878122177.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/6488/3355/files/vudelob.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7098/8188/files/new_york_life_deferred_income_annuity.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0702/5056/files/wanodabigenazawazavopaw.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/1584/5541/files/45572016728.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9303/3111/files/66870172693.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2469/4942/files/barupulalalodiz.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/4233/9992/files/nelson_s_pediatric_antimicrobial_therapy_2020.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/1583/0695/files/pudadipopij.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7011/9318/files/contrato_de_anticretico_bolivia.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/7909/0854/files/82392254193.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_off00006c54.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6C54 | 5628 bytes |
SHA-256: 22b3864842ec5411f806c8a9ca0e279582541e8b43e2efc36e6cd303f219bc78 |
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font_01_sfnt_off00007f59.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7F59 | 10536 bytes |
SHA-256: 05f7d768528fc3232c170b48473dae9a650f72cfada434c07607f94aeb1cdf39 |
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