MALICIOUS
234
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a link farm designed to improve search engine rankings, with one critical link pointing to a known malicious redirector. The document body, though partially corrupted, contains text related to downloading software, reinforcing the malicious intent. The primary malicious URL is https://ttraff.cc/pify?keyword=descargar+broken+age+android+apk+espa%25C3%25B1ol, which likely serves as a lure for further malicious activity.
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=descargar+broken+age+android+apk+espa%25C3%25B1ol In PDF document text
- http://files.hallenelaw.com/uploads/1/3/0/8/130815009/4d0e33786d.pdfIn PDF document text
- http://files.tianabridalcollections.com/uploads/1/3/1/6/131636807/tasovoxa_bowudumo_waxubobadunawip_derasukepa.pdfIn PDF document text
- http://files.breneman.club/uploads/1/3/1/0/131070434/3322815.pdfIn PDF document text
- http://files.completecarechiropractictables.com.au/uploads/1/3/0/8/130813846/d28db63209202e8.pdfIn PDF document text
- http://files.dentalequipmentonlinestore.com/uploads/1/3/0/9/130969974/depufirad-vakotazaji.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/1/0437/6897/1421/files/90747660446.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/garul.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/5638/9528/files/small_story.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/5346/6271/files/47758576570.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/8100/6244/files/91462448076.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/nunirisolifugonogebivaxez.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3346/8839/files/16733809060.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/8298/7158/files/593_country_code.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/6369/5770/files/58935813427.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/zafon.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/8421/0583/files/89131254703.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9839/1196/files/aprende_ya_a_tocar_guitarra.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/4012/8671/files/45438637029.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/6308/2146/files/ceiba_pentandra.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/xumilegimazuguvabunozanik.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_off0000598c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x598C | 5656 bytes |
SHA-256: a852d004be03ade043f35b657a5a7ebfdc638960c7b4d4182ad6d0ba076f5341 |
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font_01_sfnt_off00006c8a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6C8A | 10024 bytes |
SHA-256: d67183cb011cfaead406a9520cf8e43501ebeef421fa09cf66d4c980416a8c20 |
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