MALICIOUS
234
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF contains multiple embedded links, with one identified as a malicious redirector. The heuristic 'PDF_MALICIOUS_REDIRECTOR_LINK' and 'PDF_SEO_LINK_FARM' indicate a pattern of linking to external, potentially harmful content. The presence of a 'SE_LOLBIN_RUN_COMMAND' heuristic suggests that the document may also contain instructions for executing commands, possibly to download or run further payloads. The primary malicious URL identified is https://ttraff.ru/pify?keyword=calendar+format+google+sheets.
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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LOLBin token sequence in document text high SE_LOLBIN_RUN_COMMANDExtracted document text contains a Windows script/execution tool name (PowerShell, mshta, cmd, rundll32, regsvr32, …) within 220 characters of a dangerous flag, command verb, or URL. This is a visible 'run this' instruction in HTML/PDF/RTF lure bodies, or — in macro-laden Office files — the macro's own string-pool entries appearing adjacent in extracted text.
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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=calendar+format+google+sheets In PDF document text
- http://jegewof.garlandsullivandesign.com/uploads/1/3/1/0/131069766/0329d.pdfIn PDF document text
- http://files.alanbirtwistle.com/uploads/1/3/1/3/131383664/werox_xapedewero_bemidituziv_zurer.pdfIn PDF document text
- http://files.see-ff.net/uploads/1/3/1/3/131379990/ff2cda40f1f02a4.pdfIn PDF document text
- http://files.taichikungfuacademy.com/uploads/1/3/1/3/131379510/8fd24c8f89f.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/1/0430/7202/8823/files/33037215825.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/9466/1538/files/58363211941.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/3305/9737/files/divina_commedia_con_note.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6982/4407/files/simple_present_and_past_tense_worksheets.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/6224/8095/files/cbse_computer_science_syllabus_for_class_10.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/8841/8718/files/66914388630.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0935/9520/files/powershell_ftps_script.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/3342/0199/files/82146575275.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/7298/8071/files/8245645466.pdfIn macro / runtime command snippet
- https://cdn.shopify.com/s/files/1/0437/9135/1969/files/42907588563.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
- https://cdn.shopify.com/s/files/1In macro / runtime command snippet
- 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_off00006396.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6396 | 5228 bytes |
SHA-256: 87ce49779c61421f3408a9a680c8f14bfe8ade49ec19377b83b83f75c0eea8e3 |
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font_01_sfnt_off00007532.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7532 | 10408 bytes |
SHA-256: dcce59495c1a95fe35792fcf65efacea5f8c0ee483ce44562e66150f8e240d65 |
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