MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF contains numerous embedded links, with a critical heuristic identifying a link to a known malicious redirector. The document body, though obfuscated, contains the text 'Rii keyboard manual' and the malicious URL, suggesting a lure to trick users into clicking the link. The ML classifier strongly indicates maliciousness, and the presence of a redirector points to a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 5
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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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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.me/pify?keyword=rii+keyboard+manual In PDF document text
- http://files.vancouverislandpremiumhardcandy.com/uploads/1/3/0/7/130740044/ninirovowabubu.pdfIn PDF document text
- http://wemifi.rosinakhan.com/uploads/1/3/1/0/131070197/mivisuzumurule_wakalolapeje_bonadoxe.pdfIn PDF document text
- http://files.cavway.com/uploads/1/3/2/6/132681296/sodazoruzovazu-wopibis-fimon.pdfIn PDF document text
- http://files.3plimited.com/uploads/1/3/0/7/130776790/c75de77f.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/1/0441/4462/3768/files/75723826076.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/2642/1672/files/nixenotukufavorikafes.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/3729/4754/files/sapoko.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/8576/5533/files/porapeva.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3550/8387/files/27218770705.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0444/0460/5094/files/possessivpronomen_a1.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0448/0575/0946/files/fraud_examiners_manual_free_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9728/5027/files/libri_per_bambini_in_spagnolo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7006/2754/files/78789404223.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9672/7957/files/17472313770.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/5933/9679/files/appcompatedittext_android_example.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/vazakiliduvapi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/4076/7132/files/jang_newspaper_25_august_2020_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0444/0319/6070/files/typing_speed_test_aoeu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/tugogesobiwem.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_off000047cf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x47CF | 4908 bytes |
SHA-256: 8d9667543ba5015f8ca7609469c5c25c6402e9f38259d0a92e31c20b940d9698 |
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font_01_sfnt_off00005857.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5857 | 9348 bytes |
SHA-256: f28841fe23923e350c45bf9dd1f109e0904e42398530a31ec694131e6181dcc5 |
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font_02_sfnt_off0000780d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x780D | 4324 bytes |
SHA-256: d1f4a20f0e35a0564be54678b929bb8c711862c507f070c2b9a6abea8daf4378 |
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