MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous links to external resources, masquerading as educational materials, which is a common lure for phishing or malware distribution. The primary link, 'https://ttraff.ru/pify?keyword=present+simple+passive+exercises+with+answers+pdf', is identified as a malicious redirector, indicating a high likelihood of leading to a malicious payload or phishing page. The ML classifier strongly supports the malicious verdict.
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=present+simple+passive+exercises+with+answers+pdf In PDF document text
- http://files.pearlrivernaz.com/uploads/1/3/1/3/131381021/2007131.pdfIn PDF document text
- http://files.loveinflightphoto.com/uploads/1/3/1/8/131857152/kopikelamalu_xorinodigajaj.pdfIn PDF document text
- http://kekanovam.talkinghardwood.com/uploads/1/3/1/0/131070389/tuvusokeganari.pdfIn PDF document text
- http://tevirom.activelydushi.com/uploads/1/3/2/6/132681459/duruwero.pdfIn PDF document text
- http://files.clearpointtechdesign.com/uploads/1/3/0/7/130775191/2463142.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/1/0431/9795/6256/files/mixed_present_tenses_exercises_with_answers.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6590/9160/files/15931439974.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/9979/0243/files/pojinijepamotixa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5358/8390/files/12939318988.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/2857609843.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/5920/7582/files/pexojogifuf.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/3942/2624/files/matplotlib_draw_rectangle.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/0910/6332/files/19064315436.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/9239/3640/files/77650116556.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/8565/2375/files/bubble_shooter_2_free_for_pc.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6978/3720/files/cooling_tower_troubleshooting.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0917/0856/files/lekizogemo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0130/6526/files/asme_y14._5_download_free.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8477/5578/files/numokipi.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_off000049ec.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x49EC | 5616 bytes |
SHA-256: aac2148af6f2114e29ba460f38793ab04bba0afcc6b4aface9b0200352261d1b |
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font_01_sfnt_off00005cde.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5CDE | 9864 bytes |
SHA-256: 14fe5adf3921d01dcaa0f9dbd745f1c2cdd70b2ae9ded4ef3b58b09a91fffe69 |
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