MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a large number of embedded links, many pointing to Shopify domains, which is characteristic of a link farm designed to improve search engine rankings. One of the primary links, https://ttraff.ru/pify?keyword=abrsm+piano+scales+pdf, is identified as a malicious redirector. The document body, though heavily obfuscated, contains text related to 'Abrsm piano scales pdf', suggesting a lure to disguise the malicious intent. No scripts were extracted from this sample.
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=abrsm+piano+scales+pdf In PDF document text
- http://files.andrew-rabb.com/uploads/1/3/0/7/130738741/bf147e8.pdfIn PDF document text
- http://files.neonserwis.pl/uploads/1/3/2/8/132814980/6892455.pdfIn PDF document text
- http://files.speakingaboutautism.com/uploads/1/3/0/7/130740536/3fb2ba7.pdfIn PDF document text
- http://files.carolinacounselingwellness.com/uploads/1/3/0/7/130740166/444cab039.pdfIn PDF document text
- http://files.stringacademy.nl/uploads/1/3/2/6/132696128/tamomibo.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/1/0431/7233/1675/files/fasisowazolibusowigosiboj.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/2421/9293/files/ralulobasulum.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7091/4717/files/74860706223.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6597/4690/files/76787118515.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/3264/0664/files/paxokatot.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/3349/3658/files/cite_youtube_video_chicago.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/4364/2773/files/lonozulaxufukopuduse.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8900/2653/files/wimobodajixupeliwefusoto.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/1828/0357/files/6142247142.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/4291/2926/files/94553334569.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/3010/8577/files/kolugeman.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8697/8984/files/23689167995.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_off00006830.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6830 | 4632 bytes |
SHA-256: 5bdd79f3c3dad7f0efec29aa9967a0e8b288adec10edead6c756a4d49b359202 |
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font_01_sfnt_off00007866.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7866 | 5432 bytes |
SHA-256: b600e0d692681ac441e8767dd3f5a856d80755da27ec2d1ad68743fafbe83f4a |
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font_02_sfnt_off00008abc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8ABC | 9660 bytes |
SHA-256: d7c408c17b69ba392b1d116b70b5c797d276b669ed8a64ca7736a0e6c94769b2 |
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