MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a mass of external links, many pointing to a redirector infrastructure, indicating a link farm or phishing lure. The primary malicious link identified is https://ttraff.cc/pify?keyword=schindler+s+list+cello+sheet+music+pdf, which is flagged as a malicious redirector. The document body itself is heavily obfuscated but contains references to the same malicious URL and benign-looking PDF filenames, suggesting an attempt to disguise the malicious intent. No scripts were extracted, but the heuristic firings strongly indicate a redirection-based attack.
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.cc/pify?keyword=schindler+s+list+cello+sheet+music+pdf In PDF document text
- http://files.writerwadekelly.com/uploads/1/3/1/1/131164386/durozojuxo-jevador-tofaxiluvuno.pdfIn PDF document text
- http://files.thealynnpaul.com/uploads/1/3/0/7/130738681/nulibo-gegow.pdfIn PDF document text
- http://files.plantdrpeter.com/uploads/1/3/1/1/131164052/lekiluzelirolupob.pdfIn PDF document text
- http://files.thenakeddogboutique.com/uploads/1/3/1/3/131380052/boritixuboxu.pdfIn PDF document text
- http://files.qtaxservices.com/uploads/1/3/1/3/131398532/weluwowodukifop_siwavazofamaw_meradojulige_tiwigesun.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/1/0432/3606/5438/files/arturia_audio_fuse_manual.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5673/4109/files/zijezepadifinekuf.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8890/4353/files/water_pollution_journal.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/7737/8972/files/51506051219.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/jewaxepolirabosumasedud.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2865/9870/files/88218700125.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1827/2417/files/25679772107.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/7945/7175/files/32578596868.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/0744/1053/files/bihar_tet_computer_science_syllabus_2020_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/3276/3801/files/ximotafesunoxuxubuxe.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_off00004a7e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4A7E | 5172 bytes |
SHA-256: f94787cea0e8c55aa1cf913c1ab9a0dd37e3e6664c822dc66193dcc3e72902ef |
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font_01_sfnt_off00005bd3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5BD3 | 9668 bytes |
SHA-256: b2516561a27f16eff54cfab6c1f55cfd6255bda87c1792693a2e183bbe37b7b0 |
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font_02_sfnt_off00007d06.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7D06 | 4324 bytes |
SHA-256: 9f355172d696dda274cac500966718f112ce76951f19577ac4888987ea6471b2 |
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