MALICIOUS
234
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
T1203 Exploitation for Client Execution
The PDF contains a link to a redirector service, which in turn points to a Shopify URL hosting a PDF file. This pattern is indicative of a phishing or scam campaign, likely using a lure to trick users into downloading a malicious payload. The ML classifier strongly supports the malicious verdict.
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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LOLBin token sequence in document text high SE_LOLBIN_RUN_COMMANDExtracted document text contains a Windows script/execution tool name (PowerShell, mshta, cmd, rundll32, regsvr32, …) within 220 characters of a dangerous flag, command verb, or URL. This is a visible 'run this' instruction in HTML/PDF/RTF lure bodies, or — in macro-laden Office files — the macro's own string-pool entries appearing adjacent in extracted text.
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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=outlook+for+mac+office+365 In PDF document text
- http://files.kottagekennels.com/uploads/1/3/0/7/130739750/15c0b9161c6552.pdfIn PDF document text
- http://files.boingkids.co.uk/uploads/1/3/0/7/130738988/8173835.pdfIn PDF document text
- http://files.alabamacentralrailway.com/uploads/1/3/0/9/130969265/7679675.pdfIn PDF document text
- http://files.niamhfarrell.com/uploads/1/3/1/3/131379678/vejigatavaxiga_bofusok_bazifagenel_wozow.pdfIn PDF document text
- http://files.cmdg.online/uploads/1/3/0/7/130739260/loxazazusalukevi.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/1/0432/3750/7240/files/32238448252.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/8266/9464/files/loxusapidafuderazik.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/6304/9376/files/39626723619.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/7301/0850/files/referencias_bibliograficas_estilo_apa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/89462818099.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/1308/6106/files/korijufa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6871/0309/files/bepedivawivikaxodikofop.pdfIn macro / runtime command snippet
- https://cdn.shopify.com/s/files/1/0433/3489/3718/files/bolly_movies_with_english_subtitles.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5018/0512/files/31719007349.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/6963/5734/files/flow_cytometry_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0079/9140/files/60132399450.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_off00006084.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6084 | 5384 bytes |
SHA-256: e29c82af4b06faafb8e1be929f7992b67baeadffda135db7b45ba746e4630f11 |
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font_01_sfnt_off000072b8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x72B8 | 10244 bytes |
SHA-256: 299dc6e3fe8cbcc9d8f2fccd5f78ea69b3238e2e322a52d6ed9f6788dfd02159 |
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