MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document contains a large number of embedded links, many of which point to a redirector URL known for malicious activity. The document body, while containing seemingly benign text about educational worksheets, also includes the same redirector URL, suggesting a lure to trick users into clicking malicious links. The ML classifier strongly flagged this PDF as malicious, indicating a high probability of malicious intent.
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=addition+and+subtraction+worksheets+for+year+2
- http://files.luxuryjourneytravel.com/uploads/1/3/1/6/131606087/pigesopa.pdf
- http://files.danadanleyphotography.com/uploads/1/3/0/8/130814258/sazik_rukejuwumer.pdf
- http://files.handymanloganut.com/uploads/1/3/2/7/132712315/08f9e4b48fd1.pdf
- http://files.landsendguildofartists.co.uk/uploads/1/3/1/6/131606803/nirimakojunuk.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0434/2359/6693/files/30786425645.pdf
- https://cdn.shopify.com/s/files/1/0429/9322/1783/files/65315122667.pdf
- https://cdn.shopify.com/s/files/1/0435/0679/4656/files/75577557354.pdf
- https://cdn.shopify.com/s/files/1/0430/8425/1285/files/57450714720.pdf
- https://cdn.shopify.com/s/files/1/0433/1349/6222/files/vukugirefaguzixamel.pdf
- https://cdn.shopify.com/s/files/1/0435/2845/4304/files/purified_water_ip_monograph_2020.pdf
- https://cdn.shopify.com/s/files/1/0431/6394/3074/files/gixixuxepifepaxefu.pdf
- https://cdn.shopify.com/s/files/1/0431/4896/8090/files/zipujutimebumiduv.pdf
- https://cdn.shopify.com/s/files/1/0431/6784/2465/files/b1_english_grammar_exercises.pdf
- https://cdn.shopify.com/s/files/1/0433/9659/5870/files/77644024350.pdf
- https://cdn.shopify.com/s/files/1/0434/5282/5767/files/robe_of_useful_items.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_off00005c75.binec65c05fdf05a618677440b16e5ec63aa15b3818da7e6981467b9008653e0bf6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5C75 | 5596 bytes |
font_01_sfnt_off00006f8f.bine82f0015761cd219b0e0124e5954eab46449a9e4aa25bceda8b36e3d4e495f72 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6F8F | 9948 bytes |
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