MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous links, many of which point to a redirector service designed to obscure the final malicious destination. The document body, though heavily obfuscated, contains a URL that appears to be a lure for a technical document, likely to trick users into clicking. The ML classifier strongly indicates maliciousness.
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.com/wb?keyword=opencv%20python%20reference%20manual In PDF document text
- http://files.jackiecheuvront.com/uploads/1/3/1/4/131438459/tilugizebejiva-wizovo.pdfIn PDF document text
- http://reluduzak.babysignswithmissmary.com/uploads/1/3/0/8/130874457/fenetife-nedomedaligexo-losub-velodekate.pdfIn PDF document text
- http://riwasade.milieu-art.com/uploads/1/3/0/7/130740145/pafedorukoxus_poxif.pdfIn PDF document text
- http://jurefotab.crestwoodbaptist.com/uploads/1/3/1/4/131437601/9400308.pdfIn PDF document text
- http://files.youngstaekwondo.net/uploads/1/3/1/4/131453823/kuzok_fesununavodu_gugabu_rabuginixujeruz.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/1/0437/0795/7400/files/eating_disorder_guidelines_queensland.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/3401/0015/files/31627768209.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7852/4838/files/10967479513.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0017/6544/files/english_sentences_with_marathi_meaning_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/5413/5456/files/access_hosts_file.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5310/4790/files/45684671643.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/9812/8036/files/manaxuganopenu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/4877/2508/files/vegoj.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/3629/3785/files/988690347.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/2255/6058/files/3875862922.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/2634/1278/files/63248863243.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2259/7796/files/fepimiponanixiguserumifi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/4431/4011/files/documentation_of_clinical_pharmacy_services.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/7949/7896/files/foguteza.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1440/5793/files/zodunamibizerifesafoz.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_off00004cf7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4CF7 | 5268 bytes |
SHA-256: b00d1c1650cdd2eccd70e10df12432037ff606ce79924dcc27a96af9b6ee677f |
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font_01_sfnt_off00005ebb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5EBB | 10464 bytes |
SHA-256: f1aefd8e22e28b025b4cc837f341fa554da7873d8cfdb3df432e26f76178fe20 |
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