MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains multiple embedded links, including one to a known malicious redirector, ttraff.cc. The document body, though heavily obfuscated, appears to contain the same redirector URL and a benign-looking PDF file hosted on Shopify. This suggests a phishing or scam attempt using a lure of free sheet music to entice clicks to malicious infrastructure.
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=flight+of+the+bumblebee+sheet+music+clarinet In PDF document text
- http://files.clintoncemetery.org/uploads/1/3/1/3/131380625/vufuxowuxokiwa-nowebuvemox-jawaza-rabidekiz.pdfIn PDF document text
- http://sedijog.scorpiontv.us/uploads/1/3/0/7/130775422/bababinuzi.pdfIn PDF document text
- http://files.thissiteisunderconstruction.org/uploads/1/3/2/6/132682542/besozig_binuvidudenu.pdfIn PDF document text
- http://lamaxi.wrangellsda.org/uploads/1/3/2/6/132683292/81d2d854a87886f.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/1/0435/8235/7663/files/pepidar.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3156/8290/files/loxuledumir.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/1804/4063/files/femaferimezarezisazol.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0449/5346/9083/files/map_of_benue_state.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/2190/0696/files/24699860174.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/3975/8235/files/zirezawexilumero.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/0351/6824/files/52879827913.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/7394/6275/files/ratetutalajopexitaxipe.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7831/1326/files/remove_duplicates_from_list_python.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/9382/7485/files/7818615649.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1734/6965/files/bless_the_lord_guitar_chords.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/5749/4693/files/lil_wayne_something_you_forgot.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/8523/3304/files/zapelakeboxarojasakemofa.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000636d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x636D | 5392 bytes |
SHA-256: edb1a16b1ff6cdcbbc427158606646115c5fc8b57e8c1802cfb7a514a6afda87 |
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font_01_sfnt_off000075a8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x75A8 | 10536 bytes |
SHA-256: 3d59353c3ddfbbeff41950012e7ff7b87a2ded23e2215d1bf7abba955c40e2f3 |
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font_02_sfnt_off000099da.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x99DA | 16100 bytes |
SHA-256: b330339415d7fa9c1b652c1fb2a052ec06569061b7b71506ab53161dc9b94742 |
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