MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF contains numerous embedded links, with one specifically pointing to a known malicious redirector infrastructure at ttraff.com. The document body, though heavily obfuscated, contains text related to 'factoring practice worksheet pdf' and the malicious URL, suggesting a lure to trick users into visiting the redirector. The presence of a large number of external PDF links, many hosted on Shopify, indicates a link farm strategy to improve search engine ranking and distribute malicious content.
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.com/pify?keyword=factoring+practice+worksheet+pdf
- http://files.michiganelopementcollective.com/uploads/1/3/0/7/130775629/7990709.pdf
- http://vixewu.campbasel.com/uploads/1/3/0/8/130874655/9973982.pdf
- http://files.ksweducationalconcepts.com/uploads/1/3/0/7/130776220/bivasu-fekowunodibu-sukarema-narogoxegew.pdf
- https://cdn.shopify.com/s/files/1/0438/5538/0645/files/21048883512.pdf
- https://cdn.shopify.com/s/files/1/0434/6665/3858/files/bloodstained_curse_of_the_moon_size.pdf
- https://cdn.shopify.com/s/files/1/0437/7794/9848/files/how_to_change_soundcloud_url.pdf
- https://cdn.shopify.com/s/files/1/0433/7221/6483/files/sozaneborevijup.pdf
- https://cdn.shopify.com/s/files/1/0429/7680/5023/files/fakapuvu.pdf
- https://cdn.shopify.com/s/files/1/0436/0100/2664/files/46345650520.pdf
- https://cdn.shopify.com/s/files/1/0436/9226/1529/files/electret_capsule_datasheet.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/dobemajafapurotexujebo.pdf
- https://cdn.shopify.com/s/files/1/0427/8992/9116/files/oxford_dictionary_english_to_marathi_free_download.pdf
- https://cdn.shopify.com/s/files/1/0429/7005/4805/files/75836973906.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_off00005eda.bin2e3d2b7faa43272aa9ec6dd915c997cf83bcecff56d566d8460ecd554930b284 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5EDA | 5496 bytes |
font_01_sfnt_off0000719e.bine75aefe22b9bcaa28245f0e3dabe44f13244c7cdc15ec8f74634a6b7ff1f43c9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x719E | 10472 bytes |
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