MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of external links, many pointing to Shopify domains hosting PDF files, suggesting a link farm for SEO manipulation or to distribute further malicious content. One of the primary links, 'https://ttraff.cc/pify?keyword=business+english+pdf+free+download', is identified as a malicious redirector, indicating an attempt to lead users to harmful sites. The ML classifier also strongly flagged this PDF as malicious.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 4
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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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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=business+english+pdf+free+download
- http://files.loesshillsalliance.com/uploads/1/3/0/8/130813616/bomojegokajexotejo.pdf
- http://files.sacredhuman.co.uk/uploads/1/3/1/3/131379118/muxusigi.pdf
- http://files.findhigherpurpose.com/uploads/1/3/1/0/131070394/1319685.pdf
- http://files.debcoopertextileart.com/uploads/1/3/2/3/132302759/wezizoximuk.pdf
- http://files.oestore.shop/uploads/1/3/0/7/130775647/livaletip.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0436/0699/9203/files/reliability_test_in_spss.pdf
- https://cdn.shopify.com/s/files/1/0429/7850/8953/files/rajaradomebilijifaludub.pdf
- https://cdn.shopify.com/s/files/1/0431/4192/2982/files/30866705827.pdf
- https://cdn.shopify.com/s/files/1/0438/6134/4406/files/85016072143.pdf
- https://cdn.shopify.com/s/files/1/0429/5848/7703/files/nofewitowimeziserutoraf.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/zodotuxufaliga.pdf
- https://cdn.shopify.com/s/files/1/0430/3519/7602/files/91532776598.pdf
- https://cdn.shopify.com/s/files/1/0431/8547/1656/files/tepiwe.pdf
- https://cdn.shopify.com/s/files/1/0429/6219/0499/files/assertiveness_skills.pdf
- https://cdn.shopify.com/s/files/1/0433/4223/3755/files/aquiles_nazoa_poemas.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00007496.binf28e6b9aa4c40a556dcc3769cc006d1174e9cd17337a129fe6cea5c964c97ced |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7496 | 5444 bytes |
font_01_sfnt_off00008725.bin9461f09e4cce69aa0ddb1a67ee1367707a57ca91d36f0c9c0f99c214f684543e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8725 | 9964 bytes |
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