MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file contains a heuristic match for 'PDF_MALICIOUS_REDIRECTOR_LINK', indicating it redirects to malicious infrastructure. The embedded URL 'https://ttraff.ru/pify?keyword=mathematics+statistics+tutorial+pdf' is identified as a malicious redirector. Additionally, the 'PDF_SEO_LINK_FARM' heuristic suggests the document is designed to host numerous links, likely for SEO manipulation or to distribute further malicious content. The document body contains text related to a tutorial, and a 'SE_DOWNLOAD_BUTTON' heuristic suggests a lure to trick the user into clicking the link.
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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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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=mathematics+statistics+tutorial+pdf In PDF document text
- http://files.reventnews.com/uploads/1/3/0/7/130775405/4096105.pdfIn PDF document text
- http://terolufir.sallieburrough.com/uploads/1/3/1/0/131070722/1901498.pdfIn PDF document text
- http://files.liferenewalcounseling.org/uploads/1/3/0/8/130813846/vubajaparetofiwot.pdfIn PDF document text
- http://files.alleghanygrace.com/uploads/1/3/1/6/131606854/wakelirulo_dumakufen.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/1/0437/5665/0650/files/61632839050.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0450/3542/1846/files/list_of_wcw_ppvs.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7730/4484/files/mawozimuwivaru.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/figarawevig.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6667/8696/files/wewetu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1423/4016/files/45264114826.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/6595/6759/files/runokete.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/8451/2418/files/80639064075.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/1741554469.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5276/9192/files/56131415230.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9080/4885/files/pagokepoxenad.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6982/4407/files/40428330468.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/5275/9200/files/3804841606.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
🗂 Part of campaign:
alleghanygrace.com
4 samples
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00007b5b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7B5B | 5176 bytes |
SHA-256: 1ef42689cb0db9bd66b1849945862205146c496e764e32b06144ee92524bebb8 |
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font_01_sfnt_off00008cf4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8CF4 | 10216 bytes |
SHA-256: cf9dbb34831ba961df0a797c27924b5f2175928f716716d1734db6a7c22f8ab1 |
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font_02_sfnt_off0000afa6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAFA6 | 4324 bytes |
SHA-256: b50a2106bf82917db0cd3cf88f63c5e8cc3298b343ace5cffc591b35df33d24c |
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