MALICIOUS
282
Risk Score
Malware Insights
MITRE ATT&CK
T1204.002 Malicious Link
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a malicious redirector link disguised as a software activator download. It also instructs users to disable security software and install remote support tools, indicating a social engineering attempt to gain system access or deliver further malware. The document body itself is heavily obfuscated but contains the lure text and URLs.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 8
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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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Security software disable instruction high SE_SECURITY_BYPASSDocument instructs the user to disable antivirus or security software — unusual for ordinary documents and high-risk in an unsolicited file
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Remote-support tool lure high SE_REMOTE_SUPPORT_LUREDocument instructs the user to install, open, or connect with a remote-support tool such as AnyDesk, TeamViewer, Quick Assist, or ScreenConnect — high-risk in an unsolicited document
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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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=windows+7+ultimate+activator+free++filehippo In PDF document text
- http://puradug.leverageleadership.org/uploads/1/3/0/7/130740086/7415234.pdfIn PDF document text
- http://lovum.tsnip.org/uploads/1/3/1/6/131606345/fulovu-nexebexolusip-xigiso.pdfIn PDF document text
- http://files.milepost0creative.com/uploads/1/3/1/4/131408142/8088500.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/1/0431/6050/2421/files/phpstorm_reformat_code_doesn_t_work.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0636/9703/files/banking_current_affairs_2020_june_banking_awareness.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4932/0597/files/34375821784.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/5633/9861/files/25156894670.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/8039/1585/files/brgeramt_berlin_anmeldung.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/7701/8524/files/cisco_packet_tracer_version_5._3_free.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/3810/5000/files/zozedijakifasi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6055/1070/files/32909398477.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0462/2585/0519/files/755958274.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/1307/8168/files/96109669181.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/5458/7288/files/calendar_2020_uk.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_off000075b5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x75B5 | 5640 bytes |
SHA-256: 0f09d73e27b9ce1954941bdac730d21164ca6ada577f2b9c7c0fc4da7935d308 |
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font_01_sfnt_off000088d6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x88D6 | 10420 bytes |
SHA-256: ddfe4bef78c9791f07c1428f6faca438e1b3708cfde27efff0a68e7d6c8c627d |
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