MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded links, with the primary link identified as a malicious redirector. The ML classifier also strongly indicated maliciousness. The document body appears to be obfuscated or corrupted, but the presence of numerous links, including the malicious redirector, suggests a phishing or malware distribution attempt.
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.cc/pify?keyword=alienista+machado+de+assis+pdf In PDF document text
- http://files.goalkeepersali.co/uploads/1/3/0/9/130969580/midimatubipik.pdfIn PDF document text
- http://files.bshcare.com/uploads/1/3/0/8/130813710/752154.pdfIn PDF document text
- http://rumelaf.dayesoutdoors.ca/uploads/1/3/1/0/131071063/fulodoba.pdfIn PDF document text
- http://borumap.viana-motion.com/uploads/1/3/2/6/132683138/livupurikub.pdfIn PDF document text
- http://files.manyblessingsministry.com/uploads/1/3/0/9/130969932/litakekidow-viwujuvawiga.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/1/0430/9801/3850/files/9439015725.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2135/2606/files/biology_questions_and_answers_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/3646/5559/files/arma_3_maps.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/metiliwetizo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9545/7946/files/veiled_sentiments_chapter_1.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/1710/7618/files/bajar_aplicaciones_para_android_gratis.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0981/8272/files/muwefetok.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/2278/5444/files/2153047360.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/3757/9674/files/ha_ckers_org.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/5496/3617/files/rodaver.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3818/7413/files/adolescent_depression_inventory.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/8306/2678/files/konevosafajugoli.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_off00007c1d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7C1D | 5076 bytes |
SHA-256: 9ff6b806f9444942d7f7a9e8f1ebf97f93bebd28ecc7f631acb13db45979ca0c |
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font_01_sfnt_off00008d2b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8D2B | 11988 bytes |
SHA-256: 96f4b5cccc24f2ff03558f7db02143a4827594234774bb6499a2e0325e78846c |
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font_02_sfnt_off0000b132.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB132 | 4324 bytes |
SHA-256: 1062cd8ddf90f4344fa193b395386d5669df1a952e5759311ca261a71931f361 |
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