MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file contains a heuristic firing indicating it links to a known malicious redirector. The document body, though heavily obfuscated, contains text related to an internal audit, suggesting a lure. The primary malicious IOC is the redirector URL, which likely leads to further malicious content. The file also contains a large number of embedded links, many pointing to Shopify domains, which is characteristic of SEO link farm abuse.
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.cc/pify?keyword=audyt+wewn%25C4%2599trzny+w+praktyce+knedler+pdf In PDF document text
- http://files.witnesslegend.com/uploads/1/3/0/8/130873979/5907491.pdfIn PDF document text
- http://gabewof.aylshamheritage.com/uploads/1/3/1/4/131406744/5365309.pdfIn PDF document text
- http://nogegena.5lanterns.com/uploads/1/3/0/7/130738732/ef163d3a0bf49.pdfIn PDF document text
- http://lesisax.maidonthemoonstainedglass.com/uploads/1/3/1/3/131384429/zutefi_feduxizuk_sotanutijivolix.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/1/0432/3259/2040/files/66918947715.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/7439/4014/files/carolyn_keene_books.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/7056/3239/files/76318933575.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/zeranosorijajigafa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/9762/9596/files/que_es_una_historia_clinica_psicologica.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/6044/5855/files/sebofabowetotuse.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/9338/4599/files/sageworozonunuxoni.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/3549/2503/files/85801199871.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/8405/3669/files/kopowokotefijijigavelo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0443/0607/1708/files/bajind_marathi_kadambari_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7151/2480/files/bunofoxejifuzovejuj.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6538/4866/files/caverna_do_drago_requiem.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000070d2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x70D2 | 5172 bytes |
SHA-256: a49d2b9efae15835679ed2066f560685f0ca42a40de5e48ca83bd2bc709bc495 |
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font_01_sfnt_off00008247.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8247 | 16360 bytes |
SHA-256: 8a481b257f3c01ac80595fbc27103fe8d49f850d411367a4ee995a820d2d9e31 |
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font_02_sfnt_off0000b269.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB269 | 4324 bytes |
SHA-256: ff5f0ef16caf3e97cd1984b3a03ea88e11eab8cf63d2ee006085a4b9995833f3 |
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