MALICIOUS
234
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 User Execution: Malicious Link
T1059.001 PowerShell
This PDF document contains a critical heuristic indicating it links to known malicious redirector infrastructure. It also features a large number of external links, many pointing to Shopify domains, suggesting an attempt to disguise malicious links within a seemingly legitimate context. The document body, though heavily obfuscated, contains a URL that aligns with the malicious redirector heuristic. Additionally, a high-risk heuristic flags a lure for remote support tools, suggesting a potential pretext for further compromise after the initial redirection.
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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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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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/pify?keyword=french+learning+books+for+beginners+pdf+free+download In PDF document text
- http://sojerokim.mikeparamore.com/uploads/1/3/0/7/130776407/rupuzetora.pdfIn PDF document text
- http://files.infantastics.net/uploads/1/3/1/3/131398360/7625758.pdfIn PDF document text
- http://buraru.pickledpretty.com/uploads/1/3/1/4/131453870/8096420.pdfIn PDF document text
- http://files.azbasketballcoaches.com/uploads/1/3/1/4/131483281/061aeda8a261002.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/1/0433/3443/4969/files/50314936125.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8020/3944/files/camtasia_studio_8_manual_espaol.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/1732/3175/files/54821790017.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6993/1673/files/stanley_garage_door_opener_manual.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/5897/7178/files/36230266081.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/1537/2949/files/mogenemolosuwimunafex.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/gamawogedeveredu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0451/0951/0297/files/assignment_abroad_times_today_2020.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/4504/4892/files/crash_jerry_spinelli.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/8408/6424/files/zugubutidegobosuwoxobebis.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0215/0557/files/cd4052be_datasheet.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/6199/1841/files/ray_box_intersection_glsl.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7514/1783/files/bokoxikejigera.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_off000064d3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x64D3 | 5668 bytes |
SHA-256: fa307886f0dfdd81f132c08f340ccf69d8d9260bdd9eb5c7a57b3ca478885fba |
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font_01_sfnt_off00007815.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7815 | 9796 bytes |
SHA-256: 2262d32eca62c126d44b432233ec8a1167a66b3f1d4a0771613f5ad836220d12 |
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