MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded links, many of which point to redirector infrastructure. The primary malicious link, 'https://ttraff.com/pify?keyword=harmony+hall+piano+sheet', is identified as a malicious redirector, suggesting a phishing or scam attempt. The document body, though heavily obfuscated, also contains this URL, reinforcing the malicious intent. The presence of a large number of external PDF links, many hosted on Shopify, indicates a link farm designed to obscure the true destination.
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.com/pify?keyword=harmony+hall+piano+sheet In PDF document text
- http://najezox.baltimorebotanicals.com/uploads/1/3/1/4/131452861/jipozarirewim.pdfIn PDF document text
- http://files.countyparkfriends.org/uploads/1/3/0/8/130814279/zobisulit_selitiga_sojinotavom.pdfIn PDF document text
- http://files.nwextremeoutfitters.com/uploads/1/3/0/7/130775825/2005805.pdfIn PDF document text
- http://litejab.pallavisastry.com/uploads/1/3/0/7/130738730/756933.pdfIn PDF document text
- http://xafamow.msfallspoint.com/uploads/1/3/0/7/130738731/4303809.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/1/0439/2442/2811/files/inline_block_css.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8546/3713/files/my_talking_angela_mod_apk_revdl.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/3680/3233/files/blasphemous_collectibles_guide.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/0002/1667/files/seperami.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1918/1978/files/essential_of_biochemistry_by_satyanarayana.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/4309/3660/files/double_entry_accounting_system.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8612/7009/files/sebas.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2816/0420/files/irving_berlin_blue_skies_sheet_music.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/4576/4770/files/nova_bncc_2020.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/5317/9289/files/45937190568.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/3749/1357/files/fafebilovegusuposu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/7694/3000/files/zopakazapidegamilopiguze.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0571/4338/files/kubijubulipago.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/7107/7526/files/94712396355.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_off0000489e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x489E | 5124 bytes |
SHA-256: 29d110a34a34f7ae5ace52f879949190d1e90f8f23c761412122a3ca29f00cb9 |
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font_01_sfnt_off000059dc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x59DC | 9444 bytes |
SHA-256: 19b7d5941b669a0fe447dca77251e29d36d290f0af593c9795ab555dd2758e33 |
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