MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains embedded links, one of which is identified as a malicious redirector. The document body, though heavily obfuscated, contains a string that appears to be a lure related to 'Sherlock Holmes' and a URL that matches the malicious redirector. The presence of numerous external PDF links suggests a link farm or SEO manipulation tactic, further indicating malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 4
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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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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.link/wix?keyword=sherlock+holmes+2018+parents+guide
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- http://www.daltonmaag.com/
- https://cdn.shopify.com/s/files/1/0431/0417/4233/files/65183393072.pdf
- https://cdn.shopify.com/s/files/1/0428/3580/4319/files/baxaz.pdf
- https://cdn.shopify.com/s/files/1/0429/0550/1852/files/kukekerur.pdf
- https://static.usrfiles.com/ugd/b8c837_79eba934a7234347be9d08136de9d753.pdf
- https://static.usrfiles.com/ugd/f515ca_4806f54b40814897a904e87d13ae2920.pdf
- https://static.usrfiles.com/ugd/cd79e3_f7f91c2f8edc4382a2593c68494b3087.pdf
- https://cdn.shopify.com/s/files/1/0447/5099/5605/files/facebook_pixel_tutorial.pdf
- https://cdn.shopify.com/s/files/1/0433/0101/1611/files/firebugotamofevusawi.pdf
- https://cdn.shopify.com/s/files/1/0435/3966/0951/files/free_download_english_to_urdu_dictionary_in_format.pdf
- https://cdn.shopify.com/s/files/1/0435/2750/4024/files/88137404683.pdf
- https://cdn.shopify.com/s/files/1/0437/2443/9704/files/effect_of_smoking_on_lungs.pdf
- https://cdn.shopify.com/s/files/1/0433/8611/0110/files/ashampoo_cd_dvd_burning_software_free.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://scripts.sil.org/OFL
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00018cfe.bine36152ed8874a0692bf26077e2ce475be0c29e5a76e3883777e7e8ce3716a89e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x18CFE | 6056 bytes |
font_01_sfnt_off0001a166.bine35b53d76feaa6e4f693fbcc4f5ecaa1246f83ed75bcb17fe491a6642d0a2837 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1A166 | 15944 bytes |
font_02_sfnt_off0001d273.bin9f355172d696dda274cac500966718f112ce76951f19577ac4888987ea6471b2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1D273 | 4324 bytes |
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