MALICIOUS
234
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous links, many of which point to a redirector service (ttraff.com) that is flagged as malicious. The document body and embedded links suggest a lure to download a study guide, but the actual destination is a malicious URL. The presence of multiple PDF links and a redirector indicates an attempt to distribute malicious content or phish for information.
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.com/pify?keyword=chris+bryant+ccna+study+guide+pdf In PDF document text
- http://files.scottishwheelchaircurling.com/uploads/1/3/0/7/130775228/3a26326e1.pdfIn PDF document text
- http://files.fcalynn.org/uploads/1/3/1/6/131637631/pobulopu-fiwudesow.pdfIn PDF document text
- http://files.shawneecabinets.com/uploads/1/3/1/3/131382583/dulutorefopipaf.pdfIn macro / runtime command snippet
- http://files.bestmusicteacherever.com/uploads/1/3/0/7/130776065/d1becc61fc2b55d.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://cdn.shopify.com/s/files/1/0440/0339/3694/files/dokkan_battle_resurrection_f.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/3400/7973/files/lufufevez.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/8139/1514/files/kigudulonafupape.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3822/0181/files/15869779581.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/7849/1041/files/97086717595.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6377/9240/files/najosijukukukijomupife.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/2338/5247/files/javubigutefimerakaw.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/1503/7351/files/19592106001.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/1631/4277/files/90185055854.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/3434/5625/files/17986655661.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/8099/1388/files/niwefe.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3957/1611/files/ninalipunikowirobezavidet.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006d96.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6D96 | 5420 bytes |
SHA-256: 48d0804634fa6be04b6edf931014909a439e573eb33fe0977ecbd390b173773e |
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font_01_sfnt_off00007ffd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7FFD | 10684 bytes |
SHA-256: 1e2dc2103733b77915d0e0a3660c00ed9a3372614911cff6ff05ab252d0a0c39 |
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font_02_sfnt_off0000a4a2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA4A2 | 4324 bytes |
SHA-256: 1158d95dac44631f497756703988ba3645251422e7ff0015d3fca430225e7c3e |
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