MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains numerous embedded links, with a critical heuristic firing for a link to a known malicious redirector. The document body, though heavily obfuscated, contains the same malicious URL. The presence of a large number of external PDF links, many hosted on Shopify, suggests a link farm or SEO poisoning tactic to drive traffic to malicious sites. No scripts were extracted, and the primary malicious activity appears to be redirection.
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.com/pify?keyword=word+formation+processes+folk+etymology+examples
- http://pinige.shaunstournaments.com/uploads/1/3/0/7/130739169/tukales.pdf
- http://files.oakheartcenter.com/uploads/1/3/1/3/131380848/9898760.pdf
- http://files.knowyourbusinessplans.com/uploads/1/3/1/8/131858592/8523756.pdf
- https://cdn.shopify.com/s/files/1/0447/7508/0087/files/date_format_function_in_oracle_sql.pdf
- https://cdn.shopify.com/s/files/1/0433/3273/1038/files/24189167203.pdf
- https://cdn.shopify.com/s/files/1/0434/2353/1175/files/economist_may_2020.pdf
- https://cdn.shopify.com/s/files/1/0430/2703/8369/files/rawesubev.pdf
- https://cdn.shopify.com/s/files/1/0433/7047/9766/files/nusujajobupajowumo.pdf
- https://cdn.shopify.com/s/files/1/0430/1262/0447/files/59827841509.pdf
- https://cdn.shopify.com/s/files/1/0428/1712/6563/files/81293638852.pdf
- https://cdn.shopify.com/s/files/1/0431/7236/4445/files/fusubak.pdf
- https://cdn.shopify.com/s/files/1/0428/9432/7961/files/ssc_stenographer_2020_vacancy.pdf
- https://cdn.shopify.com/s/files/1/0431/0794/2549/files/tally_accounting_software_shortcut_keys.pdf
- https://cdn.shopify.com/s/files/1/0435/9307/2808/files/my_guitar_shop_exercises_solutions.pdf
- https://cdn.shopify.com/s/files/1/0431/4287/3249/files/79277244699.pdf
- https://cdn.shopify.com/s/files/1/0433/5144/1560/files/65128967507.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_off00006e8f.binffc721853390ecc1d3f2f9282491f4b5a296b5da0a1c56f58fb0810872d35659 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6E8F | 5720 bytes |
font_01_sfnt_off0000820b.bin22a33eec2ce805e0ce1a2a349f68bbdbaf4c03155ee4fb1251fab3b69738c31d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x820B | 10160 bytes |
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