MALICIOUS
174
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains embedded links that redirect to malicious infrastructure, as indicated by the PDF_MALICIOUS_REDIRECTOR_LINK heuristic. The document body, though heavily obfuscated, contains text related to Android versions and a URL that appears to be part of a link farm, suggesting a phishing or scam attempt. The ML classifier also strongly flagged this PDF as malicious.
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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QR-code redirect lure medium SE_QR_LUREDocument instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
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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/wix?keyword=latest+android+version+for+huawei+no
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://static.usrfiles.com/ugd/b8c837_eab1f5ba57d3473eb3ce059b61ccb77c.pdf
- https://static.usrfiles.com/ugd/b8c837_88a1fd10b1924492acca1431404190da.pdf
- https://static.usrfiles.com/ugd/b8c837_54aff90327a942fe8d998f90f4cc31ad.pdf
- https://static.usrfiles.com/ugd/b8c837_550b66e1cead48ff8e3451b63a69ed27.pdf
- https://static.usrfiles.com/ugd/105a8c_c42641439c2a462590f6b887122558ea.pdf
- https://static.usrfiles.com/ugd/7baf93_837bc0d5ea0c4ddf8c15b219478d459a.pdf
- https://static.usrfiles.com/ugd/b8c837_5428e0bdcff242df9558c1964139c32d.pdf
- https://static.usrfiles.com/ugd/b8c837_41f77f6964174f279e88c00b328106d1.pdf
- https://static.usrfiles.com/ugd/de65f7_a3968f852de245c6a6bc0a13a493e282.pdf
- https://cdn.shopify.com/s/files/1/0431/3799/0805/files/marc_loudon_organic_chemistry_5th_edition.pdf
- https://cdn.shopify.com/s/files/1/0435/5748/6753/files/expenses_spreadsheet_template_uk.pdf
- https://cdn.shopify.com/s/files/1/0434/3467/2294/files/guwuvemowufosivewo.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/30617095305.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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000632d.bin8b2d3d81cf247ce9b9d0ecdc544d2c9db677892c17e311b91d745d0efac6533d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x632D | 5056 bytes |
font_01_sfnt_off00007470.bin42c0b35e97ee56b434c55de53ceab7ebd961019bf86c8f7de4bc4545dfe90b96 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7470 | 10280 bytes |
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