MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains numerous embedded URLs, with a critical heuristic firing indicating a link to known malicious redirector infrastructure. The document body, though partially corrupted, includes the URL 'https://ttraff.ru/pify?keyword=definition+of+human+development+pdf', suggesting a lure related to the topic of human development. The presence of a large number of external PDF links, many hosted on Shopify, further supports the idea of a link farm designed to obscure the malicious redirector.
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=definition+of+human+development+pdf In PDF document text
- http://files.craftacrosstime.com/uploads/1/3/2/7/132710679/kunewenowamixadaw.pdfIn PDF document text
- http://files.hanakahn.com/uploads/1/3/2/6/132682040/5072851.pdfIn PDF document text
- http://vimexi.lifesgeneralist.com/uploads/1/3/2/8/132816066/6744223.pdfIn PDF document text
- http://files.allhottub.com/uploads/1/3/0/7/130738821/kojasoreb.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/1/0435/8039/1585/files/75377844734.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5674/2046/files/jujugoxomikudub.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/8499/5991/files/difference_between_mitosis_and_meiosis_table.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5341/5576/files/54297556148.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0447/7383/4901/files/6841342721.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/3800/6686/files/fodoxebuzawufusalor.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2691/5239/files/tutorial_de_excel_avanzado_2020.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/4416/7064/files/soguvif.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5410/3713/files/wufikuxexabup.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/9714/4990/files/katoziko.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/5436/6877/files/70207143434.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/0243/6518/files/88699239137.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_off00006305.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6305 | 4948 bytes |
SHA-256: db4fd63fbf643939b9a920adea7bd2f8fbbaa00c04ac405c6ce9c3ba478c5ca5 |
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font_01_sfnt_off000073bc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x73BC | 10092 bytes |
SHA-256: d89f829a8eb391281adc6473218da12d53393cb669e018fb70e6045c1d812802 |
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font_02_sfnt_off00009633.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9633 | 4324 bytes |
SHA-256: 0d0f64e27578eb124b8bc81c7eceacdd166e22eddd95c81328e9fbd7de2a6333 |
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