MALICIOUS
274
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
T1203 Exploitation for Client Execution
This PDF document contains numerous links, many of which point to a redirector service that is known to host malicious content. The document body and heuristics suggest lures for "Outlook express download", "remote-support tool", and "payment redirection", indicating a phishing or business email compromise attempt. The embedded links likely lead to a malicious site designed to steal credentials or deliver a second-stage payload.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 7
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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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Payment redirection / bank-detail change lure high SE_PAYMENT_REDIRECT_LUREDocument describes new or changed bank, wire, ACH, IBAN, SWIFT, or routing instructions — a high-value business-email-compromise pattern
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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+express+download In PDF document text
- http://files.dogtownpestcontrol.com/uploads/1/3/1/3/131380841/9182656.pdfIn PDF document text
- http://files.shepherdssecurity.com/uploads/1/3/0/7/130775387/2763718.pdfIn PDF document text
- http://files.triadchialpha.org/uploads/1/3/0/8/130874526/2584695.pdfIn PDF document text
- http://files.home4youutah.com/uploads/1/3/0/8/130813025/8bd33885abce1ea.pdfIn PDF document text
- http://files.brushlove.ca/uploads/1/3/1/4/131408256/serefafugekive.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/1/0433/8017/9107/files/sejidemibatawud.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/7824/6815/files/laduweji.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/4285/6344/files/tikedarerewemuwa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3346/8839/files/74838949982.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/7052/0470/files/62981730997.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5208/1053/files/87678866869.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/4679/5424/files/ducky_one_2_mini_manual.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6497/5765/files/15054760143.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2990/5058/files/sitenizuwurepisa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/7641/8713/files/26869275775.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8249/7701/files/put_on_sunglasses_emoji.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0994/9341/files/55318671185.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5831/4912/files/86358461415.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_off00006403.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6403 | 5204 bytes |
SHA-256: 52afaa326a31269ab1ced5dd871b19a8a7219e60f82f6a6c6e5065a74e38c6c2 |
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font_01_sfnt_off000075d8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x75D8 | 10244 bytes |
SHA-256: 23dbd9e0768909f615c249f69954269d697352f80f2b40af5ccfa581b0442f9c |
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