MALICIOUS
224
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file contains a large number of embedded links, many of which point to redirector infrastructure or potentially malicious sites. The ML classifier strongly indicated maliciousness, and the presence of numerous SEO-like links suggests an attempt to drive traffic to malicious content or phishing pages. While no scripts were directly extracted, the PDF structure itself facilitates the redirection.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 6
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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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LOLBin token sequence in document text high SE_LOLBIN_RUN_COMMANDExtracted document text contains a Windows script/execution tool name (PowerShell, mshta, cmd, rundll32, regsvr32, …) within 220 characters of a dangerous flag, command verb, or URL. This is a visible 'run this' instruction in HTML/PDF/RTF lure bodies, or — in macro-laden Office files — the macro's own string-pool entries appearing adjacent in extracted text.
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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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://ggtraff.ru/pify?keyword=dell+inspiron+570+motherboard+specs In PDF document text
- http://files.johnnyhayes.net/uploads/1/3/1/3/131380345/0ad4b9357a1c64c.pdfIn PDF document text
- http://somenumeg.martapequeno.com/uploads/1/3/1/4/131453674/4fd9442f61c7f.pdfIn PDF document text
- http://benim.joannbruhn.com/uploads/1/3/1/1/131163691/mazakowiw.pdfIn PDF document text
- http://xoxidibez.raisingthedeadband.com/uploads/1/3/0/8/130874521/maxage.pdfIn PDF document text
- http://files.helllomegan.com/uploads/1/3/1/4/131405958/fefezuvavedud-bibezeb-bulatabifa-dapuxebusi.pdfIn PDF document text
- http://files.cheshirepool.net/uploads/1/3/1/6/131606968/8220962.pdfIn PDF document text
- http://rojibaz.danielklittleton.com/uploads/1/3/1/4/131437502/0f411a.pdfIn PDF document text
- http://files.flashforge.com.hk/uploads/1/3/1/4/131406798/1525915.pdfIn PDF document text
- http://files.lethbridgelawncareco.com/uploads/1/3/1/6/131606111/wujaxexebezufu.pdfIn PDF document text
- http://nejubel.ocmdfilmfestival.com/uploads/1/3/1/6/131636601/3203453.pdfIn PDF document text
- https://site-1040339.mozfiles.com/files/1040339/rumifikopikaxozibelul.pdfIn PDF document text
- https://site-1036628.mozfiles.com/files/1036628/noropomukubuzurobanemi.pdfIn macro / runtime command snippet
- https://site-1038475.mozfiles.com/files/1038475/luxewulojozoletorilamuk.pdfIn PDF document text
- https://site-1038815.mozfiles.com/files/1038815/zopelutizopavadozitis.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://cdn.shopify.com/s/files/1/0495/9118/9667/files/double_star_robert_heinlein.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0488/4267/0245/files/shih_tzu_maltese_mix_name.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/6694/8773/files/rafifebotazagupetajufu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/8359/3880/files/energy_skate_park_answers_key.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/4174/1205/files/nfs_most_wanted_apk__data_download.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000048d3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x48D3 | 5796 bytes |
SHA-256: c5e51498e930184ec7204fd2c7d47fa4bb0f0d9e94bf4884c93b491e5ad8bc66 |
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font_01_sfnt_off00005c71.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5C71 | 9528 bytes |
SHA-256: d6b48994b4482cf3dcbf79024d07b9fbda1143b5c6bd467e92e81037cf26b3d5 |
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