MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a malicious redirector link disguised as a download for an 'adblock for android apk'. The ML classifier and heuristic firings strongly indicate malicious intent, with the document acting as a lure to a potentially harmful website. Although no scripts were directly extracted, the PDF structure and embedded URLs point to a phishing or redirection scheme.
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.cc/pify?keyword=free+adblock+for+android+apk
- http://begajidov.hhslitmag.com/uploads/1/3/0/7/130740073/8521820.pdf
- http://files.jcarpentertherapies.com/uploads/1/3/2/8/132814086/f374eb59c27b1c6.pdf
- http://doded.oldzionwesleyan.com/uploads/1/3/0/7/130738632/fc98a0f3ea017.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0440/9065/4870/files/averages_and_range_worksheet.pdf
- https://cdn.shopify.com/s/files/1/0430/9234/4999/files/sigofulu.pdf
- https://cdn.shopify.com/s/files/1/0435/2750/4032/files/77878086252.pdf
- https://cdn.shopify.com/s/files/1/0448/2239/7088/files/47326901051.pdf
- https://cdn.shopify.com/s/files/1/0433/8145/7061/files/namujodavemojovusedevet.pdf
- https://cdn.shopify.com/s/files/1/0432/5765/9560/files/luwarejuzarorobope.pdf
- https://cdn.shopify.com/s/files/1/0437/1021/8391/files/free_battleship_games_for_android_phone.pdf
- https://cdn.shopify.com/s/files/1/0428/1889/6038/files/21741811468.pdf
- https://cdn.shopify.com/s/files/1/0437/5589/6983/files/24373957482.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
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00009861.bin9114abaccb6ea6362c2be320c3b71abe2d7cf82df826627d5a95aa1e8452bd01 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9861 | 5128 bytes |
font_01_sfnt_off0000a9e3.bin77982c807071516277b03841762115498c974baa97758b1cf6bd526c86f9fc22 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA9E3 | 10668 bytes |
font_02_sfnt_off0000ce56.binb9c07489e0906e548fd2321ea551ccb3831683513f6c0abb6df7e71ce3785494 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCE56 | 17444 bytes |
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