MALICIOUS
214
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
T1203 Exploitation for Client Execution
The PDF contains multiple heuristics indicating malicious redirector links and a link farm, suggesting an attempt to drive traffic to malicious infrastructure. The document body, though heavily obfuscated, contains a URL that is also flagged as a malicious redirector. The ML classifier strongly indicates maliciousness, and the overall pattern suggests a phishing or malware distribution lure.
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) or Microsoft license-boilerplate 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.com/pify?keyword=get+your+guide+rome+italy In PDF document text
- http://kemojix.somedailyjoe.com/uploads/1/3/0/7/130776819/43e6f.pdfIn PDF document text
- http://dipasen.lesmagnoliashotel.com/uploads/1/3/0/9/130969742/094857643.pdfIn PDF document text
- http://wivarunel.clarkhsu.com/uploads/1/3/1/4/131482975/xosuv_sefemixiv_xizejagewasaked_rorizorexa.pdfIn PDF document text
- http://files.bcmgaohio.com/uploads/1/3/0/7/130740429/xubunikuf-jadisiroxeza-memuful-tusotaji.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/1/0437/8276/6750/files/psoriasis_causas.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0444/2315/1783/files/chat_icon_png_android.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/3817/0523/files/human_anatomy_book_bd_chaurasia.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1656/8482/files/bibesonezugikadamepu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/rinubigelezegir.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/8022/9791/files/funza_lushaka_application_form.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6917/8017/files/vacuna_antineumoccica.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/3864/4123/files/bipasha_basu_workout_video_free.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/4513/3207/files/industrial_wastewater_treatment_systems.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/4198/7479/files/81713100637.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0445/6477/5076/files/general_aptitude_test_questions_and_answers_with_solutions.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1361/1413/files/ratidajaguxujixifuxi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/0086/3643/files/gugewojev.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_off0000bd76.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBD76 | 5100 bytes |
SHA-256: 89b3d8572146c674fb183e3c754ecaf3c2ed2d4ca3ea3e97e5134515fa46eff1 |
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font_01_sfnt_off0000cec6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCEC6 | 10836 bytes |
SHA-256: f2b468d2c911e9580dd770c625d4797e353346b49e1a1cad1a68027863300a4b |
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