MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a large number of embedded links, many of which point to external resources, including a known malicious redirector. The document body, though heavily obfuscated, contains a URL that appears to be the primary lure. The heuristic PDF_MALICIOUS_REDIRECTOR_LINK strongly suggests that the embedded links are intended to lead to malicious infrastructure.
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.ru/pify?keyword=learn+english+pdf+arabic
- http://gugonavak.evansmossfamilyreunion.com/uploads/1/3/2/6/132682051/gedipabifoniw-panelix-fekonamelunu.pdf
- http://files.sheenashah.co.uk/uploads/1/3/0/7/130776661/f45eed738.pdf
- http://womixe.bbbbstore.com/uploads/1/3/1/4/131452988/nobetixuv_mijenadumapufin_miwezok_jezonovelepopu.pdf
- http://xunugaxi.urjcmunnews.com/uploads/1/3/2/8/132814930/tuxupipu.pdf
- https://cdn.shopify.com/s/files/1/0433/4285/6345/files/telugu_calendar_2020_new_jersey.pdf
- https://cdn.shopify.com/s/files/1/0435/7790/1214/files/cissp_practice_exam.pdf
- https://cdn.shopify.com/s/files/1/0437/6992/1690/files/saxuzuw.pdf
- https://cdn.shopify.com/s/files/1/0433/4754/2175/files/geolocation_app_template.pdf
- https://cdn.shopify.com/s/files/1/0437/2758/5430/files/raxowogidobaruweg.pdf
- https://cdn.shopify.com/s/files/1/0439/9595/5358/files/fofowukalaluxugakunokogu.pdf
- https://cdn.shopify.com/s/files/1/0435/1026/8068/files/wovufawuxawer.pdf
- https://cdn.shopify.com/s/files/1/0429/1071/1971/files/65580124403.pdf
- https://cdn.shopify.com/s/files/1/0430/8221/9674/files/rulaj.pdf
- https://cdn.shopify.com/s/files/1/0430/7199/6053/files/dukemigegawalanet.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
stream_005_off0000b278.bin7933d91ca8c816ea9638cefc03b56a16158d817339411377aa3c7688badf0179 |
decompressed-pdf-stream | PDF FlateDecoded stream at offset 0xB278 | 28008 bytes |
font_00_sfnt_off00007b47.binb2cdc1df5977cf66008857d373cb5819beba4665d6293b007235b042bccea8f1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7B47 | 5496 bytes |
font_01_sfnt_off00008de6.bindf5b384d1917e39a0c1e4f239f03dddd68f6c3da9717ac06e2e3dd49a54533c0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8DE6 | 10640 bytes |
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