MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a large number of embedded links, many of which point to domains associated with link farms and redirectors. The primary malicious URL identified is ttraff.com, which is flagged as a malicious redirector. The document body, though partially obfuscated, contains the title 'Concept of chromophore and auxochrome pdf' and the malicious URL, suggesting a lure to a phishing or malware distribution site.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 5
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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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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.com/pify?keyword=concept+of+chromophore+and+auxochrome+pdf In PDF document text
- http://files.omoroseblessings.com/uploads/1/3/1/8/131856446/zerifiperavoniz-firipaj.pdfIn PDF document text
- http://fisasa.pineycreekbastrop.com/uploads/1/3/1/4/131407995/kajisomikutataj-gesagut-rowupuwage-fivatejasumew.pdfIn PDF document text
- http://files.spanishconversation.net/uploads/1/3/1/8/131857465/2479217.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://cdn.shopify.com/s/files/1/0436/9163/8934/files/disegafegapitutejeme.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/riwemabosemuridaredexe.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/mejamuzeditika.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/4202/8182/files/4335490313.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4224/2709/files/tawid.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/2398/1979/files/60765551108.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4205/4048/files/zusewopal.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/2193/3466/files/65695127967.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/9923/5228/files/18271967224.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/8299/7148/files/dukajepa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/5040/1945/files/bunub.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/9163/8934/files/96083941987.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/0707/4723/files/17185123582.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/7079/9510/files/42403050301.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000635e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x635E | 5108 bytes |
SHA-256: 06ed0a73f8a6f61afe3aa33f84dfb62ed5715f0795d946c9232f1aa592796077 |
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font_01_sfnt_off00007489.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7489 | 10092 bytes |
SHA-256: ed704b03b502e4d033e4cc15f88a11c9271c8905f9423a513569d2d483357d48 |
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font_02_sfnt_off000096d1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x96D1 | 4324 bytes |
SHA-256: a542ec26cea93e049a2e27cd59b1347dd9bbdea13775fd7b822b3c2b3136116f |
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