MALICIOUS
234
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document contains numerous links, many of which point to a malicious redirector infrastructure. The document body text and embedded links suggest a lure related to a 'Korg kaossilator dynamic phrase synthesizer manual', likely intended to trick users into clicking through to a malicious site. The presence of multiple external PDF links, including one to a known malicious redirector, indicates a phishing or scam attempt.
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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PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINKPDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
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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/wb?keyword=korg%20kaossilator%20dynamic%20phrase%20synthesizer%20manual In PDF document text
- http://files.helenvitoria.com/uploads/1/3/0/7/130739631/reper_mejilezifapatot_kixojo.pdfIn PDF document text
- http://dezakotat.cornwallamillionactsofsanctuary.com/uploads/1/3/1/6/131637254/labetiribalutagi.pdfIn PDF document text
- http://xetuges.theonechocolate.com/uploads/1/3/1/8/131871390/671edb74.pdfIn PDF document text
- http://files.adventuresatyourdoorstep.com/uploads/1/3/1/4/131406736/jidolunebepuje.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/1/0430/7959/8229/files/anand_vihar_isbt_bus_timetable.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2812/7637/files/4289379052.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/8359/4909/files/44434326146.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/6633/6167/files/10098062557.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4238/1725/files/sunozolofaxi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/2956/0476/files/suxutapel.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0903/1840/files/attendance_sheet_template.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/ligumugazawebamupewav.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/4253/6598/files/soal_olimpiade_guru_biologi_sma.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8626/6016/files/mixulitabolezugagiwimo.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_off000045fb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x45FB | 5672 bytes |
SHA-256: 74d02d255d214a719b5ab4fde0a215fc4c4d07ea5ac9c28b76cef33d15078c33 |
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font_01_sfnt_off0000592f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x592F | 11004 bytes |
SHA-256: 77605b68547e6eff6c1f471bbe5f1c4f568a179c65eb6e7ed4440ef0e59bf1cc |
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