MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a mass of external links, including one pointing to known malicious redirector infrastructure. The document body, though heavily obfuscated, contains text that appears to be a lure related to song lyrics, likely intended to trick users into clicking the malicious link. The ML classifier also strongly indicated maliciousness.
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=flatline+justin+bieber+lyrics
- http://files.johnashcroftandcompany.com/uploads/1/3/0/9/130969368/zamilusi.pdf
- http://files.18q-adifferentkindofnormal.com/uploads/1/3/1/0/131069859/ae1821cda3.pdf
- http://files.theparksphysie.com/uploads/1/3/0/7/130775623/d46e9bc8.pdf
- http://files.gchla4h.com/uploads/1/3/0/9/130969983/valimu.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0431/9186/1412/files/desarazofem.pdf
- https://cdn.shopify.com/s/files/1/0433/1687/1333/files/72037351881.pdf
- https://cdn.shopify.com/s/files/1/0430/2379/4339/files/26690185732.pdf
- https://cdn.shopify.com/s/files/1/0433/7922/8837/files/minuwuzelit.pdf
- https://cdn.shopify.com/s/files/1/0431/8475/0747/files/xovulitikibavowarumekal.pdf
- https://cdn.shopify.com/s/files/1/0434/0459/1255/files/41842110523.pdf
- https://cdn.shopify.com/s/files/1/0429/0173/3542/files/stihl_ms_250_repair_manual.pdf
- https://cdn.shopify.com/s/files/1/0430/0016/8597/files/53365051252.pdf
- https://cdn.shopify.com/s/files/1/0433/4324/9563/files/pizodedoz.pdf
- https://cdn.shopify.com/s/files/1/0433/5307/9963/files/teronuvoxuxebam.pdf
- https://cdn.shopify.com/s/files/1/0427/6515/6508/files/88948522732.pdf
- https://cdn.shopify.com/s/files/1/0436/8164/4697/files/36447729634.pdf
- https://cdn.shopify.com/s/files/1/0430/5174/5442/files/degutupolimitalonopakof.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_off00005843.bin114e83677dbc9067a839255d631d6ac0c7bc6f949aaf2ded8e8a9e917e0f7df2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5843 | 5068 bytes |
font_01_sfnt_off00006998.binad1ab3d864d0a255122bdccb0cf2162696959cd22028561d47a44d68b598e238 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6998 | 9708 bytes |
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