MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a large number of embedded links, identified as a link farm, with one specifically pointing to a known malicious redirector. The document body, though heavily obfuscated, contains a reference to the malicious URL. This suggests the primary purpose is to direct users to malicious sites, likely for SEO spam or phishing.
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=bsl+alphabet+pdf
- http://sekata.genawave.com/uploads/1/3/1/3/131384429/05749a3ce.pdf
- http://wejujekas.hammercan.com/uploads/1/3/1/3/131380429/7735198.pdf
- http://files.annegreenwood.net/uploads/1/3/1/4/131413678/nexemekero-tasaxasinumer.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0430/7006/2754/files/33608872965.pdf
- https://cdn.shopify.com/s/files/1/0434/0364/0999/files/vimowokatuzusetisalizi.pdf
- https://cdn.shopify.com/s/files/1/0433/8103/1064/files/6157172400.pdf
- https://cdn.shopify.com/s/files/1/0433/9603/8812/files/36408521933.pdf
- https://cdn.shopify.com/s/files/1/0432/6280/4136/files/lujaxax.pdf
- https://cdn.shopify.com/s/files/1/0440/1260/1502/files/69957486341.pdf
- https://cdn.shopify.com/s/files/1/0431/6200/9755/files/89770718249.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/1587610690.pdf
- https://cdn.shopify.com/s/files/1/0437/1791/8870/files/ccat_test_grade_3.pdf
- https://cdn.shopify.com/s/files/1/0436/4910/6073/files/94786279879.pdf
- https://cdn.shopify.com/s/files/1/0431/5283/4717/files/dwm_notification_window.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_off00007d8c.binced6a0fbbccebe73864c2e46db07b2308a94ade516ead0f364cd9e2f083cd485 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7D8C | 5224 bytes |
font_01_sfnt_off00008f49.bin519b50a199dc5f31748151379254d84044b24f7db68698a9716e5f9819a6cd99 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8F49 | 10304 bytes |
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