MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file was flagged as malicious by a machine learning classifier and contains a link to a known malicious redirector. The document body, though heavily obfuscated, appears to contain the same redirector URL. The presence of numerous external PDF links suggests a link farm or SEO poisoning attempt to distribute malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9999
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.ru/pify?keyword=baby+books+emoji+pictionary+answers
- https://static.usrfiles.com/ugd/2994dd_10a79e577f33412496f912a4fe9f0426.pdf
- https://static.usrfiles.com/ugd/696b8a_692c4c10b37645b59e6fd5e10d00e90f.pdf
- https://static.usrfiles.com/ugd/436160_9b3700f85de34925be4c8823d33b57ff.pdf
- https://static.usrfiles.com/ugd/696b8a_6ea14143096c451bb1f1870a2e23ca63.pdf
- https://static.usrfiles.com/ugd/9e41f0_52d0828505954705af586ed48a5decf1.pdf
- https://static.usrfiles.com/ugd/b8c837_a917695fcc12412e834d052dc22b206c.pdf
- https://cdn.shopify.com/s/files/1/0433/2450/6266/files/17443023689.pdf
- https://cdn.shopify.com/s/files/1/0435/5322/6913/files/2118197387.pdf
- https://cdn.shopify.com/s/files/1/0427/4877/2519/files/bofavogi.pdf
- https://cdn.shopify.com/s/files/1/0461/8954/3573/files/wwe_theme_song_mp3_download.pdf
- https://cdn.shopify.com/s/files/1/0465/0087/2344/files/vefanisunatufalunif.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/
Extracted artifacts 5
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00008983.bincb70e03b00f6e680543ea9cece6bb28776092b4ea23d8629397854113b767025 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8983 | 5356 bytes |
font_01_sfnt_off00009bab.bin1d035fa7f4700f819819ea527a8b685a1ddc8afd602b3d1360e5e147eb8ea776 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9BAB | 26236 bytes |
font_02_sfnt_off0000e5a6.bindc5a0461ea6f3ce3b2f07edb224f9cce112ee7c2bbd6de60c928488083f014ba |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE5A6 | 10856 bytes |
font_03_sfnt_off00010a68.bin848ee63a544358cbcbf1a12d01c4819b9bdd32b4ea97b7b50d6ad70157a7010a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10A68 | 16728 bytes |
font_04_sfnt_off00012143.binb50a2106bf82917db0cd3cf88f63c5e8cc3298b343ace5cffc591b35df33d24c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12143 | 4324 bytes |
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