MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF contains a link that redirects to malicious infrastructure, as indicated by the PDF_MALICIOUS_REDIRECTOR_LINK heuristic. The document body, though partially corrupted, contains text related to interview questions, suggesting a social engineering lure. The PDF_SEO_LINK_FARM heuristic indicates the PDF is part of a larger link farm, likely for SEO poisoning or distributing malicious links. The ML classifier also strongly flagged this PDF as malicious.
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=analytical+skills+behavioral+interview+questions+and+answers
- http://mowizefa.life9rescue.org/uploads/1/3/2/7/132710797/4695171.pdf
- http://waxavufa.fivesensesmusic.org/uploads/1/3/1/6/131606490/1010046.pdf
- https://cdn.shopify.com/s/files/1/0435/4818/0634/files/plant_systematics_simpson__1_227.pdf
- https://cdn.shopify.com/s/files/1/0434/7107/7526/files/64573553561.pdf
- https://cdn.shopify.com/s/files/1/0428/8780/7129/files/merexibigonewotejetotid.pdf
- https://cdn.shopify.com/s/files/1/0433/1690/4104/files/getting_started_with_spring_framework_3rd_edition_free_download.pdf
- https://cdn.shopify.com/s/files/1/0428/4098/1670/files/wuxusilazopoko.pdf
- https://cdn.shopify.com/s/files/1/0437/7768/7706/files/guitar_chord_exercises_for_beginners.pdf
- https://cdn.shopify.com/s/files/1/0427/8000/0422/files/64858142512.pdf
- https://cdn.shopify.com/s/files/1/0433/5036/0232/files/aquos_board_pen_software.pdf
- https://cdn.shopify.com/s/files/1/0431/0594/3701/files/pulisosawu.pdf
- https://cdn.shopify.com/s/files/1/0428/4104/7206/files/maxuzolulidilipabi.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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006936.bin434e6909baaaa74be2fa2b5fa1d41ce04a4ff6bd47f55d797389c1cd4041870e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6936 | 5600 bytes |
font_01_sfnt_off00007c45.binc397f3ad18597f4b0ec937ec00ea28c8c76804128196b69df85c874951463368 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7C45 | 9632 bytes |
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