MALICIOUS
234
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous links, many pointing to redirectors and other PDF files, indicating a link farm or SEO abuse tactic. The primary redirector URL, https://ttraff.com/pify?keyword=a+comunica%25C3%25A7%25C3%25A3o+terap%25C3%25AAutica+na+abordagem+centrada+na+pessoa+pdf, is flagged as malicious. While no scripts were explicitly extracted, the PDF structure and embedded URLs suggest an attempt to distribute or redirect to malicious content, likely as part of a phishing or spam campaign.
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.com/pify?keyword=a+comunica%25C3%25A7%25C3%25A3o+terap%25C3%25AAutica+na+abordagem+centrada+na+pessoa+pdf In PDF document text
- http://files.lukesconcrete.com/uploads/1/3/2/7/132740595/jagiwolisexakupotawu.pdfIn PDF document text
- http://sajaruxur.centralflhomeeducationservices.com/uploads/1/3/2/6/132681670/4012794.pdfIn PDF document text
- http://files.freedomhoops.org/uploads/1/3/1/4/131453536/9919727.pdfIn PDF document text
- http://files.theapostolicinititative.org/uploads/1/3/1/3/131398498/be116017a.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/1/0431/1734/6965/files/2349041775.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/pewowa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9200/1433/files/92529166518.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/3686/0839/files/41140788493.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1856/7335/files/primer_of_public_relations_research_third_edition.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0319/1193/files/convert_bin_cue_to_iso.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/3708/2271/files/81737239426.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/gofifarigomikidapowokov.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3825/2957/files/zunopelepitabe.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/japoxotoruzub.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/3205/1873/files/16602434784.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/8522/6393/files/40534019907.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://www.repositorio.ufc.br/handleIn 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_off000060ad.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x60AD | 6220 bytes |
SHA-256: 16f4b740aa0d6791b51a746317be0ff3c2026ae735c22fdbcb2098020fec8e66 |
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font_01_sfnt_off0000749f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x749F | 12344 bytes |
SHA-256: 7ecf0d6d6f686e50125fe7b6add4e469065998a236df362782e6652d5be2f436 |
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