MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded links, many of which point to a link farm hosted on cdn.shopify.com. One of these links, https://ttraff.cc/pify?keyword=american+pie+piano+sheet+music+musescore, is identified as a malicious redirector. The document body, though heavily obfuscated, contains references to sheet music and the malicious URL, suggesting a social engineering lure to drive traffic to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 4
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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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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=american+pie+piano+sheet+music+musescore
- http://dirurorob.artartmargaretcameron.com/uploads/1/3/0/8/130874565/waxaro.pdf
- http://files.lightworkselectricny.com/uploads/1/3/1/4/131438538/fusotabatudev-jesore-lerox-vuvul.pdf
- https://cdn.shopify.com/s/files/1/0435/9120/5021/files/xekegumafelikuvelogex.pdf
- https://cdn.shopify.com/s/files/1/0434/1311/0951/files/jingle_bells_piano_sheet_music_musescore.pdf
- https://cdn.shopify.com/s/files/1/0431/7279/0427/files/gamekepagedakoxubeka.pdf
- https://cdn.shopify.com/s/files/1/0433/6245/1611/files/android_root_directory_location.pdf
- https://cdn.shopify.com/s/files/1/0431/1800/2340/files/java_tutorial_javatpoint.pdf
- https://cdn.shopify.com/s/files/1/0432/9878/3382/files/calculus_and_its_applications_11th_edition.pdf
- https://cdn.shopify.com/s/files/1/0434/1222/6200/files/94754096282.pdf
- https://cdn.shopify.com/s/files/1/0440/8714/8696/files/94414974393.pdf
- https://cdn.shopify.com/s/files/1/0428/4288/2215/files/roworuvirevog.pdf
- https://cdn.shopify.com/s/files/1/0438/0976/7584/files/zusesevarevuxunegiget.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000041d4.bin5e360664d65e9f31e49bf614aef61068d325d7a101d064b042f5c4e4453b688b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x41D4 | 5128 bytes |
font_01_sfnt_off00005307.bine81634636d7b0fa6b40f8e04907db349362077d782153b2177b87f7eb4ee38cd |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5307 | 9776 bytes |
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