MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a large number of embedded links, many of which point to a redirector service known for malicious activity. The document body, though heavily obfuscated, contains the URL 'https://ttraff.com/pify?keyword=amperimetro+de+gancho+pdf', which is also flagged as a malicious redirector. This suggests the document is part of a link farm or SEO poisoning campaign designed to trick users into downloading malware or visiting phishing sites.
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=amperimetro+de+gancho+pdf In PDF document text
- http://files.kctaste.net/uploads/1/3/2/7/132740700/f94d59.pdfIn PDF document text
- http://files.abrushwithnature.studio/uploads/1/3/1/4/131406885/184799.pdfIn PDF document text
- http://sinomata.northwestpetroleum.com/uploads/1/3/0/7/130740514/wokimala.pdfIn PDF document text
- http://files.escondidofoundationarch.org/uploads/1/3/0/7/130775520/ziburisalewa-jilutawe-bidusida-pokipepif.pdfIn PDF document text
- http://jekovu.lwcmusic.org/uploads/1/3/0/8/130874276/nadafageluxase-vomemanetuniliv-zewivafur-ralipokesakames.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/1/0451/1091/9321/files/alter_ego_a1_french.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6638/3768/files/student_exploration_calorimetry_lab_answer_key.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/7683/7785/files/41847164348.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0464/5129/4376/files/esmo_consensus_guidelines_colorectal_cancer.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/3789/1487/files/gerogivelesavomu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/3708/8154/files/min_heap_insert.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0020/9319/files/jarexafiwarozorimofibaw.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9496/6429/files/converter_bmp_to_free.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/4527/3248/files/calidad_estratgica_total_total_quality_management.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/8712/5927/files/xezaruxefiw.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/2580/0087/files/dobupemetasot.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/4527/3251/files/17224283252.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_off00006470.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6470 | 5136 bytes |
SHA-256: ab299463ae723b94329ec1f9fe9d5093d709cb339d7313050cdcc26edb355136 |
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font_01_sfnt_off000075ae.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x75AE | 11544 bytes |
SHA-256: e87df0b7d52229c726cda4087038a52f43fe06e24c48e3258ff9fa5ae5cee7d0 |
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font_02_sfnt_off00009b13.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9B13 | 4324 bytes |
SHA-256: 4fcfa7c68d76e23b667942a3ac892d2d5d88346478daafc61479ad4df4af3dd3 |
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