MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a significant number of embedded links, many of which point to a redirector service (ttraff.com). The document body, though heavily obfuscated, contains the text 'Enthusiasm related forms' and the malicious redirector URL, suggesting a lure to a phishing or malicious content site. The heuristic firings confirm the presence of malicious redirector links and a link farm, indicating a coordinated effort to distribute malicious content.
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=enthusiasm+related+forms In PDF document text
- http://files.nducuwangugi.com/uploads/1/3/0/9/130969555/gimuviri-megatanizus-selusifo.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/1/0431/0951/5413/files/31815924574.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9481/9495/files/ucla_career_center_resume_guide.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/9503/8877/files/vifukuvugipowukadop.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1711/7601/files/class_2_cavity_preparation.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0463/6891/5617/files/biocalculus_calculus_for_life_sciences_free.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0461/9426/2166/files/bike_race_games_please.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7006/2754/files/78789404223.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9334/4924/files/nsfas_bursary_form.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/1509/2893/files/guia_ceneval_psicologia_contestada_gratis.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7108/6485/files/bobikepokonixupa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4722/3458/files/synonyms_and_antonyms_list.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/7699/3702/files/91007905923.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3962/9218/files/43748399681.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006a25.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6A25 | 5104 bytes |
SHA-256: 73968bafff31011cf87eb11618806d0aadb1ad289dd72e69d80c07faf8cefc37 |
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font_01_sfnt_off00007b55.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7B55 | 14192 bytes |
SHA-256: 51f2a1f3dc3336a910fa8eabcf5a895d4c737e50ec90d18bf241a031adfa5a5e |
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font_02_sfnt_off0000a8da.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA8DA | 16076 bytes |
SHA-256: b098da79dd067f31ba2c2b8c1c5e919600cd02ab140df2a372f8f699e4c507e4 |
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