MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
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.ru/pify?keyword=que+es+la+inercia+en+quimica', which is also flagged as a malicious redirector. This suggests the PDF is designed to redirect users to potentially harmful websites, likely for phishing or malware delivery.
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.ru/pify?keyword=que+es+la+inercia+en+quimica In PDF document text
- http://lefosotax.sportpic.co.il/uploads/1/3/0/8/130874050/4209694.pdfIn PDF document text
- http://sefiz.triad-of-od.com/uploads/1/3/0/9/130969077/xosuji_zifafad_zupuruzemexux.pdfIn PDF document text
- http://files.rabbijonathanshulman.com/uploads/1/3/1/4/131437380/fibuvibozejufaj-medalikiferemi-novubuzuniwo.pdfIn PDF document text
- http://files.amsp.net/uploads/1/3/1/4/131483249/sipixafuviw_lozenu_kevefixino.pdfIn PDF document text
- http://files.winchestercarpetoutlet.com/uploads/1/3/1/4/131453674/436309.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/1/0438/6275/3445/files/distinction_between_curriculum_and_syllabus.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/1891/0870/files/32735827066.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/6302/4542/files/lomek.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/0522/1784/files/vabugezasonigovamovos.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/8110/4541/files/trauma_abdominal_2020_atls.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/4246/4163/files/89652710982.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/5099/8679/files/82473483409.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7661/6346/files/loroj.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/1361/0392/files/biphasic_sleep_guide.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3802/3592/files/12866556553.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/1631/4277/files/preparing_to_be_a_godly_wife.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/4007/0042/files/blokus_game_instructions.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/8300/5093/files/pezugevifeji.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_off00006c50.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6C50 | 5132 bytes |
SHA-256: 10f268a0003ea75003bab32bd3acf1af182f52dd48bb9c2d620e53e19eeb7409 |
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font_01_sfnt_off00007da7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7DA7 | 10980 bytes |
SHA-256: 06d81564bfefdbe2a3be283d52960edf89ebfa243b893a152033d576b3088759 |
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