MALICIOUS
234
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 a redirector service (ttraff.cc) and are presented with deceptive keywords related to web development. The heuristic firings indicate that the PDF is designed as a link farm, with a critical finding of a malicious redirector link. The ML classifier strongly supports the malicious nature of the document. No scripts were extracted from this sample.
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/pify?keyword=include+html+template+in+php In PDF document text
- http://files.pathpointstowellness.com/uploads/1/3/1/4/131437474/19039c2396a9.pdfIn PDF document text
- http://zegofis.boxerboogiefun.com/uploads/1/3/0/7/130775413/bijagajeg.pdfIn PDF document text
- http://files.childrensbreadministriesinc.org/uploads/1/3/2/6/132695517/tewiwe.pdfIn PDF document text
- http://files.clevelandpsychologicalassessments.com/uploads/1/3/1/4/131407734/buwiwaveduzuko.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/1/0431/8704/4510/files/kokalevaritetobavezi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/7285/4939/files/53906169567.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/5471/9395/files/binomial_theorem_worksheet_with_solutions.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5661/0979/files/bafigik.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0081/4998/files/36672430648.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/1236/5211/files/pneumonia_management_guideline_malaysia.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5495/5672/files/gawofotovipevido.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/7689/5398/files/ideal_kitchens_chicopee_ma.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/3978/4103/files/bd_railway_time_table.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/6559/0438/files/jananazojurumekevija.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/3102/6071/files/sql_database_file_formats.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0459/9942/3647/files/palliative_extubation_guidelines.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_off00006318.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6318 | 4976 bytes |
SHA-256: 9053f72ae8dae6189bcd4cfc99157e8befc8544e20187aa40fec837e10eee2e7 |
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font_01_sfnt_off000073cc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x73CC | 10980 bytes |
SHA-256: 6dab8e9360cc177496461524a6fb63e800c7478c7373063a49ae1d79007778cd |
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