MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file contains a large number of embedded links, many of which point to SEO-optimized PDF documents hosted on Shopify. The primary link directs to a known malicious redirector at 'ttraff.ru', suggesting a phishing or malware distribution attempt. The document body, though partially corrupted, indicates a lure related to 'reading skills checklist pdf'. No scripts were extracted from this sample.
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/pify?keyword=reading+skills+checklist+pdf In PDF document text
- http://files.yourluckycharms.com/uploads/1/3/1/6/131636890/9237100.pdfIn PDF document text
- http://files.koshishpanindia.com/uploads/1/3/1/3/131379296/kirurumateka.pdfIn PDF document text
- http://files.fundacionchelaquintana.com/uploads/1/3/1/0/131070394/f229552e8e.pdfIn PDF document text
- http://files.fresnonutritionsolutions.com/uploads/1/3/2/6/132683111/9806049.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/1/0428/8544/7833/files/84621011356.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/4459/2021/files/jawusuxesukazimupufizodub.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/58097506778.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/1747/0101/files/7967925680.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0441/2253/8136/files/nokaxegopekoxoruxaxubawi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/3981/7890/files/dilasamab.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9853/0201/files/vabelelaradut.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/5144/1560/files/74322499903.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/2228/5976/files/vizufegitetugijerasijele.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/3486/1991/files/mabojimo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/1814/8261/files/69922895599.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1370/9722/files/kuzokirofitawakarafiw.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/8638/8136/files/19241845287.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/xaxigeruver.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/8148/2919/files/voxovifilodibivu.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_off00007c22.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7C22 | 5392 bytes |
SHA-256: 4013520637e8a8539d8ba9f159e59906843229a63128bf7ecd0667f9e510335f |
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font_01_sfnt_off00008e89.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8E89 | 10100 bytes |
SHA-256: f23eaf380e5390236472c2476069cc3875156eefe38072e7b0f2775b926a2428 |
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