MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded links, a technique often used to redirect users to malicious sites. One such link points to a known malicious redirector. The document body, though heavily obfuscated, appears to be related to a 'product feasibility analysis', suggesting a lure to disguise the malicious intent. The ML classifier also strongly indicated 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.ru/wb?keyword=product%20feasibility%20analysis%20pdf In PDF document text
- http://files.evangeliodeamor.org/uploads/1/3/1/4/131406841/fomatorese_pupiwarili.pdfIn PDF document text
- http://files.jaramilyn.com/uploads/1/3/1/4/131437005/jixorozuge-wukekijodulavuj-sifetojadug-vonesupakinalel.pdfIn PDF document text
- http://files.noblefrenchies.com/uploads/1/3/1/6/131637072/tusefuweweze.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/1/0432/3213/3278/files/futaxego.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/7122/5494/files/kutamu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/3945/7431/files/3717908468.pdfIn PDF document text
- https://xejolaxutibu.files.wordpress.com/2020/06/37022212790.pdfIn PDF document text
- https://pimiwefenafi.files.wordpress.com/2020/07/fosalobakit.pdfIn PDF document text
- https://rotibokagi.files.wordpress.com/2020/07/2550597782.pdfIn PDF document text
- https://fawexofomo.files.wordpress.com/2020/07/liwaxap.pdfIn PDF document text
- https://wetididi.files.wordpress.com/2020/07/52767125361.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/5252/3929/files/devagowoseta.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6028/0982/files/44834660673.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/6822/6725/files/26338118245.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/9802/9733/files/77850687297.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4027/6642/files/79919588296.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9850/5369/files/fevulixesatesejeroguva.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6749/7880/files/jonenibuposikide.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/5178/5109/files/jolujatubugab.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/1709/1744/files/lofurabis.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/5493/0839/files/sudifaf.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_off00008046.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8046 | 5272 bytes |
SHA-256: acdcfbe75a4abbbdfce5b93c8912696a982342974a6f4ce42d2a9b72ebbc77eb |
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font_01_sfnt_off00009239.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9239 | 10488 bytes |
SHA-256: d5023374821059a2010ffd52301016a416c548bca2361c4caefd465d29fa6965 |
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