MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a large number of embedded links, many of which point to a link farm hosted on cdn.shopify.com, likely for SEO manipulation. One prominent link, however, redirects to a known malicious infrastructure at ttraff.ru. The document body, though heavily obfuscated, also contains this malicious URL, suggesting the primary intent is to redirect the user to a malicious site. 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=commutative+property+of+multiplication+worksheets+3rd+grade+pdf In PDF document text
- http://wuzis.michael-corey.com/uploads/1/3/1/4/131407089/b56a06908e2e0.pdfIn PDF document text
- http://files.brokenwcowboygear.com/uploads/1/3/1/3/131384401/4922141.pdfIn PDF document text
- http://files.surreyhillsmusicfestival.com/uploads/1/3/1/4/131437839/betolizam_diken_sowidixaxi_vasufepubedutux.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/1/0431/7364/2406/files/essentials_of_statistics_triola.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/xoxolesusoziviro.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/9024/6822/files/beowulf_burton_raffel.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/3976/9254/files/14299172083.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4945/9605/files/precalculus_math_book.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/4160/4263/files/34448639927.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/4871/3896/files/30918340146.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/3797/4950/files/57314271212.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/4581/3414/files/vugawusili.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8032/7070/files/puxowabubomi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/2845/4298/files/48304515052.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/5347/2151/files/anatomia_de_los_alveolos_pulmonares.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/0942/6079/files/nodojuvavuv.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/4101/3415/files/nudunamarasobozulufux.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/4655/1208/files/pususodakukexokunob.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005b4c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5B4C | 5956 bytes |
SHA-256: ff3f953b212b7a960c6a17d3ddaa139e7bcc1a423e751ae50c83e5f7b1fb663e |
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font_01_sfnt_off00006f85.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6F85 | 9900 bytes |
SHA-256: afdba38e6385797a715d1c2586d74a4e8188555f93305e5fe028345597f060ff |
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font_02_sfnt_off00009191.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9191 | 16116 bytes |
SHA-256: edc33fe94617b35fa5734827a91efdc9665031ac3a5a8b8018a6396f4204b3d2 |
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