MALICIOUS
214
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.001 Malicious Link
The PDF contains a malicious redirector link disguised as a thesis document, designed to lure users to a malicious site. The document body, though heavily obfuscated, contains the URL that triggers the malicious redirect. The presence of numerous external PDF links further suggests a link farm or redirection tactic.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 6
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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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Callback phishing phone lure medium SE_CALLBACK_LUREDocument asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
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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/wb?keyword=profitability%20analysis%20thesis%20pdf In PDF document text
- http://nasuw.horseplayandharmony.com/uploads/1/3/1/3/131382078/mezomusise.pdfIn PDF document text
- http://files.sisterspiritwomensharingspirituality.org/uploads/1/3/2/8/132815154/58853863.pdfIn PDF document text
- http://files.activefittraining.com/uploads/1/3/1/4/131437378/jolivo_welekemabozir_jiderejomum.pdfIn PDF document text
- http://nuroniru.missouri-al-anon.org/uploads/1/3/1/0/131069839/jepab.pdfIn PDF document text
- http://files.evelynjuliabodywork.com/uploads/1/3/1/4/131437017/lanifonigozareliwa.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/53681635306.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8580/7269/files/43823778600.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6978/3720/files/59607308210.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/1174/2628/files/15899390989.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8271/9127/files/78040906097.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9201/7305/files/mathematical_physics_by_rajput.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0447/4798/0951/files/importance_of_ornamental_plants.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/7821/1991/files/armies_of_the_lord_of_the_rings_book.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/1604/5222/files/aide_to_dwg_converter_download_crack.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6690/9081/files/bododezab.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/5059/8562/files/73625686030.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/7102/7865/files/33453829143.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_off0000a332.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA332 | 5372 bytes |
SHA-256: ff571ffaeb602650f30236e2d5c7ef4b5a29f8c82777090e01481c5d8749ddc0 |
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font_01_sfnt_off0000b563.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB563 | 15084 bytes |
SHA-256: 519c8f6af31fa7628b87daac3ca71cd7d735d72201731ebdf44a5379c7f778f7 |
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